

Kasa Smart HS100 WiFi Smart Plug, Classic 1-Pack, White
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Oldguy
28-03-2025Works smoothly with Alexa. After you install the TP-LINK software / app, Alexa is able to link with the cloud based TP-Link app and discovers the devices registered with TP-Link. Alexa will discover the device name(s) given at the TP-Link site. If you want to change the device name, because some may sound similar and Alexa has trouble to understand correctly, youll have to visit TP-Link to change the name and have Alexa possibly re-discover. I have a few of them smart plugs to switch certain lights on / off that dont have a dedicated light switch. If I remember correctly, the plug is rated at 1800 Watt and can switch heavier loads than light bulbs. There are other switches / plugs on the market that may be a little less expensive, but I didnt want to mess around with there link apps for security reasons. TP-LINK is in the business for network devices some time and I trust (hopefully) they made the app reasonably secure against hacker. I believe it is best to keep any of your skills to a minimum (in particular the free with adds), so I just use TP-Link products since they can be controlled by one app / skill. Each device acquires a seat in your router (with DHCP enabled IP-Addressing) also using the embedded MAC (Media Access Control Number) to keep it reasonably safe from intruders. Most routers can assign 255 IPs hence 255 devices. I havent tried, but one could probably run the devices on MAC. As of the time of this review, all is working as intended! Alexa can hear my commands over a distance of a little more than 10 feet, although I have to admit, she is a little shielded from my voice. (Placement for strong router signal) Since I am somewhat lazy, I purchased a second Echo-Dot with a little bluetooth speaker for my Bedroom. This way I tell Alexa to switch off my bedroom light and play some music for a given time. I also, have some difficult to reach light switches e.g. behind doors and replaced them with TP-LINK WiFi light switches.
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Yara Greyjoy
> 3 dayI sincerely regret the heavy investment I made in these (Tp-Link/Kasa) devices. Ive bought a LOT of the wall switches, smart plugs (both with and without energy monitoring) and lightbulbs (both white and color). I am so bloody sick and f****** tired of the steaming pile of dog poo AKA Alexa. Alexa NEVER works, is always going offline, showing the red ring of death while yapping that something is wrong. And its NOT my Wifi, I have THREE AeroHive AP250 mesh WAPs (very high power enterprise class device) covering a two story home of 1,200sqt per floor which is massive, massive overkill. So its NOT my Wifi, at all. Anyway, Alexa is complete and utter GARBAGE and is 100% unreliable. The only thing you can be sure of with Alexa is that it never works. I hate and despise Alexa with a raging passion like nothing ever before in all my 60 years on this rotten rock. Im just about two more “Sorry, I’m having trouble understanding right now. Please try a little later” blathering from taking a hammer to every freaking one of them in my house. I am permanently disabled and wheelchair dependent, I got these things to assist me, supposedly to make my life a little better. Theyve done nothing of the kind. A consequence of Alexa never working is that all these nifty Kasa devices dont work either, when I need them to! Alexa is garbage. Im so done with it. Im now at the point where I need to abandon Alexa and my dependency upon it and replace it with Homekit/Siri. I keep my iPhone attached to me at all times, specifically for fall detection. Siri responds when I request it but it can not control the Kasa app or the Tp-Link devices in my home. The other annoyance is that there is no local control ability at all. I tried hard to find some sort of like, wireless remote that will control things purely by local control, for like when Alexa isnt working, which is 1000 times a day! Im so bloody mad that I spent so much money on all this junk and it ends up being almost worthless to me. I think maybe Ill sell it all and replace everything with bluetooth controlled switches so that its never dependent upon a remote server or connecting to the outside world at all. Let me be clear, my complaint is that these things are locked in to Alexa, Siri isnt allowed access and Alexa is extreme garbage. With Alexa always broken these devices dont work. OPEN THEM UP TO HOMEKIT/SIRI !!!!!!!1 I wish I could send it all back for a refund but its waaaay past that time and Im to deeply invested in it to just trash it without an immediate, drop in replacement system. Bottom line, IF I had a way to do it all over again, I wouldnt even go down this path at all. There must be better ways than this.
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PAPASTAG
Greater than one weekUPDATE 12/11/16: Ive since purchased the mini version for my Christmas tree and it works just as perfectly as its larger siblings. Setting it up and using it is exactly the same as with the larger versions, and the only difference is that this only blocks one power outlet instead of two. I imagine that eventually they will all be this small, as theres really no reason to buy the bigger one unless youre looking for the power monitoring. Anyway, it still works great, was even faster to set up than the originals since I already had Kasa ready to go, and is especially useful for Christmas tree lights instead of bending or hunching down to reach the power. Awesome value, excellent price for the convenience. I still very strongly recommend this product. **************** After finally getting my Hue lights set up and working with Alexa, the next step of my home automation process was to begin to integrate wi-fi smart plugs into the equation. I wanted smart switches for my televisions, fans, air conditioners, air purifiers, and wax burners. What I didnt want was to pay through the nose for it. Ive learned over the years that you generally do get what you pay for, but some of the pricing on these smart gadgets is ridiculous; the Hue ecosystem is insanely overpriced, and while I like it, youre essentially paying for the guarantee that you wont have to deal with the troubles that buying non-brand cheap Chinese electronics brings. Ive purchased other TP-LINK products before (wi-fi adapters), but I was hesitant to get these because all of the other, branded, smart plugs were much more expensive. I thought Id become a victim of the cheap Chinese electronics phenomenon. Im glad I listened to the reviews and chose to buy one, because it works perfectly and does exactly what I wanted. Its well-made and was pretty easy to set up. Id read that before there was direct Alexa integration it was kind of a pain to set these up but now, after theyve added the integration, I found it incredibly simple. Here are some abbreviated directions that Ive streamlined from TP-LINKs two or three setup pages; do it in this order for the easiest setup: 1) Download the TP-LINK Kasa app from your app store of choice. 2) Install and open the Kasa app 3) Create a Kasa cloud account (requires email verification), 4) Allow Kasa to discover your plug 5) Set your plug to remote control on to allow Alexa to control it 6) Name the plug (i.e. Bedroom TV) 7) Exit the Kasa app and enter your Alexa app 8) Swipe down to Learn More Skills and search for Kasa 9) Authorize Kasa in the Alexa app by entering your email and password 10) Go back to the main Alexa screen and discover new devices 11) Once Alexa has found it, assign your plug to whatever group you want it in (Bedroom group for Bedroom TV plug) 12) Enjoy The first one I set up was for my TV in the bedroom. Keep in mind, in order for one of these smart plugs to work with Alexa to turn your TV (or other device) off AND back on, it must have an auto restart after power failure function. If it doesnt youll only be able to turn it off, but have to use the remote to turn it on. I have various groups set up in Alexa in order to achieve various functions. Ive included the TV in the the turn everything off group so that I can turn it off at the same time as my 5 other Hue ambient lights. Ive also got it in the Bedroom group so that I can turn it on and off by itself. The way you do this will depend entirely on how you have your room/house setup. For me, Turn everything off applies only to the bedroom and leaves the rest of the house alone, because this is something I usually only use when Im laying in bed and ready to sleep, and Ive already turned the other stuff off before going to bed. You could use these switches instead of buying smart bulbs, but I find it more convenient to have all the lighting independent of the plug. The normal white light Philips hue smart bulbs, and the other brands, are already less expensive so youre not saving anything. I find this option attractive for controlling non-lighting electronics. Ive since ordered and connected these to my fans, air conditioners, wax burners, and electric fireplace. Anything you want to work completely with these MUST auto restart after power failure, because that is essentially all you are doing when you turn it on and off - removing and supplying a power source. For example, I had to buy a floor fan that had a manual mechanical switch because the one I had with a remote wouldnt function except to turn off. My air conditioner automatically restarts when power returns after the (simulated) power interruption that these plugs create, so I didnt need to replace it even though it is smart and has a remote and no switches. Its not something thats widely discussed, but important for people who are just getting into home automation to know. Until the technology improves to allow deeper integration, youre stuck completely controlling (mostly) dumb devices. All told, this is an excellent bargain for getting into home automation. It works very well, and the build quality is excellent. The only complaint I have is that it covers more than one socket on your outlet, but as I understand it, almost all of these do simply because it is necessary to house the wi-fi components. Expect to have to also buy additional power strips for areas where you plan to use these. They are less expensive than the brand name smart plugs and have excellent compatibility with Alexa. Ive already purchased 6 of them, and will continue to buy more as I expand my home system. Pro tip: you can use one of these to control the power to a power strip, enabling to you to simultaneously connect and control more than one device. Ive successfully done this with this Amazon Basics power strip (
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Stephanie Sullivan
> 3 dayI am fully satisfied with my Kasa HS100 smart plug. My first smart plugs were Belkin Wemo. I changed to these Kasa plugs because they reconnect to my WiFi *reliably* after a power outage. My Wemo plugs requires usually a unplug/plug cycle with the latest firmware before they connect - very annoying! I have an iPhone so I use the free IOS Kasa app from the iTunes store. Once installed on my phone setup is very easy and the app walks me through the process. I had my switch up and running in just a few minutes. You will need to create a Kasa account and being a bit paranoid I was sure to use a strong password. Happily the IOS app and Alexa skill remember the password so a long/complicated password is no hardship for the typing impaired like me! Getting it voice enabled with Alexa just required enabling the Kasa skill from the smart home settings in the Alexa app, connecting to me Kasa account and discovering devices again just a few minutes. Like my Wemo plugs the HS100 can be connected to IFTTT for more advanced control and can also be scheduled for convenience. I like having these options available, but in my use I pretty much and must telling Alexa to turn on or off the reading light plugged into this switch. Sometimes I turn it on/off from the app or just check if I think I may have left the light on when Ive left home. In conclusion Kasa is very much like the Wemo plugs I started with in terms of function and features. What makes Kasa much better for me is how well it handles recovering after a power outage. When I got mine I wasnt expecting to like it so much. It has exceeded my original expectations and thats a 5 star performance to me. Ive not had a single problem with mine.
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Savvy Skeptic
> 3 dayUPDATE: I left my original review as written below, but the issue described there that caused my initial 1-star rating has been corrected. I now have 5 of these and they work very well with my Echo, without the annoying middle man. I can now glad,y recommend them. Bought this in order to control my TV and streaming stick with Echo, and now I am returning it. It did not function well with Alexa, and I do not want a bunch of devices I have to control independently with 3rd party apps. This device turns Alexa into an extraneous middle-man. Here is the breakdown of how this product performed for me: Pro: - Unit appears to be decent quality and arrived well packaged. - Unit set up easily enough; instructions were simple to follow Con: - Unit requires the 3rd party Kasa app - Because the device is run by the Kasa app, not Echo directly, it turns Alexa into a middle-man; Echo becomes a silly extra step. - Echo could find the device to turn it on, but then could not recognize the name to turn it off: The whole process felt passive-aggressive. You cant say, Alexa, turn on the TV. You have to say, Alexa, ask Kasa to turn on the TV. Its like sitting around the table and saying, Sweetie, ask your father to pass the salt... Honey, ask your mother why she couldnt ask for the salt herself. It was ridiculous. In fairness, most of the extra skills for Echo currently work this way. Alexa ask for this, Alexa ask for that. For this very reason I find myself not using many of those extra functions. It takes away from the conversational, direct-control feel of the Echo, and Im hoping that this is corrected with future software updates. The problem seems to be that Echo has trouble recognizing the word Kasa. When you give Alexa a command, she searches around your profile for a device or group with the name she heard you say. She is no doubt looking for the word Casa in your lists, but its not there because the manufacturer named this Kasa with a K, which is not actually a word. Oddly enough, Alexa could turn the device on about 1 out of 5 tries. She could never turn it off. Alexa, ask Kasa to turn the TV on, (and tell dad to pass mom the salt)....The TV comes on, sometimes. Immediately after that, Alexa, ask Kasa to turn the TV off,.... Im sorry. I cannot find a device or group with that name in your profile. Every. Single. Time. Sure I can keep the Smart Plug and control my TV/streaming stick with my phone, but that defeats the purpose. The point is voice command control through 1 master device (Echo). If I have to pick up my phone and use a 3rd-party app to turn on the TV, I might as well just use the TV remote.
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Kaibob
> 3 dayI purchased the TP-Link HS100 Smart Plug from Amazon and paid $19.99. This was my first step into home automation and a bit of an experiment to see if it would be helpful to me. Right now, I use the Smart Plug to power on and off a lamp in my bedroom, and I control it with the kasa app on my Android phone and with an Echo Dot. Overall the device works extremely well--both with the kasa app and the Echo Dot. A few miscellaneous notes: * Setting up the Smart Plug to work with my Echo Dot was a little complicated (at least for me), but, once set up, it has worked flawlessly. I will primarily use the Echo Dot to control the Smart Plug but I like having the ability to use the Kasa app when I find that more convenient. * The kasa app is easy to use and has many helpful device management and scheduling features. * The Smart Plug only supports the 2.4GHz WiFi band, and I thought I would have to switch my phone to that frequency. This hasnt been the case. * The maximum power rating is 1.8KW, which is enough to allow me to use it with a moderately-sized Lasko floor heater. Im waiting for the Smart Plug to go on sale again so I can purchase one for this use. Anyways, because of the somewhat complicated setup with my Echo Dot, Ive given the Smart Plug 4 stars rather than 5.
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Dennis Tomlin
> 3 dayThe TP-Link is a nifty device once you get it up and running. I bought it specifically to start using with the Amazon Echo Dot 2nd gen with Alexa. The directions in the box are very simple but not as obvious as they should be with the two important points below. Before I go any further, this device will only work with the 2.4ghz wi-fi signal. It is very important for you to know your current equipment, that would have saved me a lot of frustration. It turns out my AT&T router will emit 2.4 or 5ghz, not both at the same time. After talking with an agent things improved rather quickly. One other important note, when you are trying to connect your phone via the Kasa app, you need to be within 3 feet, 2 is even better. Again, would have been nice to know upfront. If I had known those tidbits upfront, my total time to connect to my phone and using it with the Kasa app, 5 minutes tops. Connecting and voice controlling with Alexa, another 5 minutes tops. I am physically disabled and must admit, I am very thrilled to be independently controlling device. Not knowing how well the TP-Llink would work, I only purchased one at $22 vs regularly $45+. I am regretting that decision now. If it holds up well over time, this will be the first of many more to come. If it was clearer prior to purchasing it about only operating on 2.4ghz and a 2-foot range from my phone during the initial setup, I would have given it a 5 star. After all, I do really like it and it works great with the Amazon Dot 2nd gen with Alexa. It shouldnt be left out, that the Kasa app on the phone has plenty of options for those not interested in voice control. If over time things change, youll be the second to know.
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Lake Life 2018
> 3 dayREVIEW FOR TP-LINK SMART PLUG (HS100) A FEW FRUSTRATING MOMENTS SETTING UP, BUT WORKS GREAT ONE I FIGURED OUT THE APP. USAGE: Replacement for manual Christmas tree timer. It took me a while to set these up, more than I care to admit. However, once I understood how the android app worked, it was OK. I can’t tell you exactly when it clicked how the interface worked. Once the device is found and connected, you click on the device (nothing seems to happen), but there is a “settings icon” that appears in the upper right corner. That is where you go to rename the device, change the icon, set up the stand alone timer schedule. I assumed it was app settings, not device settings. After that realization everything was fine. PRO’s: - Affordable ~ $20 on sale. - Quick to react to commands - Easy to use after learning curve - No problems with Alexa compatibility at all. - Can set up a schedule (from the phone app) that is stored locally in the unit so it does not require a hub to manage the schedule. - No Hub Required. CON’s: - Big (covers both plugs no way around it) - Only supports 2Ghz WiFi (I had to re-enable it on my router just for these plugs) - Does not Dim, but I knew that going in. SIDE NOTE: - After a power outage it does not automatically figure out the state it is supposed to be in. It waits until the next scheduled event. So if the power was out when it was supposed to turn on the lights, and it missed that event, then they just don’t come on until next time. As Christmas wraps up, I plan to repurpose these for use on some table lamps where I just want on/off and not dimming. One thing to keep in mind is that the manual on/off is on the plug so if you put a lamp on a schedule but you want to override the schedule then you need to use an app or Alexa to turn it back on, or climb around the floor to hit the manual switch. So I won’t widely deploy these for every day usage. For my normal house lights I’ll use Lutron. Why 5 stars ? Well in general, they just seem to work as expected and for the price point they do exactly what I wanted. (A modern replacement for an ancient mechanical light timer). Anything else I can get them to do (such as Alexa integration, etc) is just a bonus in my mind. I will also use the random schedule feature when I travel from home.
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Wayne Tibbit
> 3 dayThe new Echo compatibility works very well and allows grouping controllers under a single group name. I just set up three controllers and now I can say Alexa, turn on the living room lights and viola, theyre on! Much easier than finding each lamps on/off switch on a cord behind a piece of furniture. I can also schedule them to turn on and off when were away from home. Go to the TP-LINK support site for full instructions and to the Alexa app if youre using an Echo to control the switches. The set up was mostly straight forward once I read the TP-LINK full instructions, but below is an more detailed hint for part of the instructions that werent clear to me at first. I spent about 30 minutes puzzling this out, but the rest was fast and easy. The controllers can be configured with Kasa to be local or remote connected. To be controlled by Echo each individual controller must be set to Remote Control ON, in the Device Settings menu. That menu is accessed in Kasa with this process after the controller is initially set up: From Kasas home page tap the device name; a screen for that device appears, with selections for Schedule, Away, Timer, an off/on button and at the top right corner an icon that looks like three little sliders. Tap that icon to open the Device Settings screen and then slide the Remote Control slider icon to the right so that it lights green. Do that for all controllers you want to be controlled through Echo.
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Sandy C
> 3 dayAs with nearly every Amazon purchase Ive made, this arrived timely. I was able to install the Kasa app on my Samsung Galaxy S5 without any trouble, but activating the plug wasnt frustration-free. Following the instructions on my Samsung, I was able to complete all but the last installation step. After three unsuccessful attempts to connect the plug, I contacted customer service. The recording assured me I was number one in line for a representative but I still waited a few moments for someone to speak with me. I clearly explained my difficulty (unable to connect to Wi-Fi) and the steps Id taken. The rep asked me to reset the plug, and then I was met with silence. After six minutes, I disconnected and called back (hallelujah! I was number one in line again!), and repeated what had happened on my first call. The rep dug through some instruction sheets, had me repeat the same steps for the fourth time, then said that my best option was to return the plug for a replacement. I persisted on my own and found a tip: link the smart plug while its in an outlet near your Wi-Fi router, then move it to your desired location. I did that, and voila! installation complete. Next step: go into the Alexa app, select Smart Home and then your device links and enable the plug. No problems there, either. Absolutely yes, it works with the Echo device. So why four stars and not five? First, customer service was not helpful. I easily found the tip that resulted in success, it seems that customer service could have done the same instead of suggesting I exchange the plug. And second, regardless of the March 10 comment from Kasa (see Earthlings review), the smart plug DOES block the second outlet. As much as Id enjoy having the majority of my electrical devices on a smart plug, I dont like the idea of blocking two outlets with one device.