SimpliSafe Entry Sensor (Pack of 4) - Window and Door Protection - Compatible with The SimpliSafe Home Security System - Latest Gen

I love this system and I bought this extra sensor to add to the system. Very affordable and easy to install!

I used to have a traditional alarm system in my old house. Bur when I moved five years ago, I went with Simplisafe and am glad that I did. I installed a couple of smoke alarms, two motion detectors and covered all the doors that could gain immediate entry to my interior. Fine. Check. Done. But I recently decided that the one outside side door to my garage was a potential chink in my armor. It could gain access to my garage - and - if I forgot to lock the door going out to the garage - my interior too. I live in a very safe neighborhood, but crime IS increasing here in California, since there is no will to prosecute criminals here anymore. So, I decided to add a sensor to this garage entry and it took all of five minutes - if that long - to add this sensor to my Simplisafe system. Take it out, stick it to the door and add it to one of the two panels I have. Fine. Check. Done. And thats what I love about Simplisafe. Its Simple. You can buy what you absolutely need today, then add to it later.

Like the easy install, phone app is great, intuitive and customizable. Recommend!

Installation is so easy on these. Just add to your simpisafe system and adhere them to your door, window, etc.

Easy to install out of the box using the SimpliSafe second generation system keypad. Better and free delivery from Amazon Prime rather than buying direct.

We recently purchased this brand and related items to secure our home. So far, we are very satisfied with this item.

The sensor made it just past the return date and then died Ive already replaced the batteries nothing this is the worst system Ive ever had. Do not buy SimpliSafe or you will be sorry and wasting money

I avoided setting mine up for a week because I was worried it would be to techy for me. It was VERY easy to install and get working. The camera is amazing ~ I got a notice on my phone while out of town that somebody was in the kitchen. (It was my adult daughter!) the notifications work!!

For me, one of the attractive aspects of these sensors is their ability to stick onto the window or door rather than having to screw them on. But, the sticky material they come with is poor quality. Even though I cleaned the mounting surface with alcohol, several of these wont stay attached to the door oe window. Discovered that the first time in the middle of the night when one fell off the window, setting off the alarm. Unpleasant way to wake up. I figured it was just that one, but shortly after that, another one fell off. Then another. Ill probably have to use the screws to attach them all, since we dont trust any of them to actually remain attached to the doors or windows. Until I do that, we dont even use the alarm system since were afraid of when the next one will fall off. Except for that fatal flaw, the system works fine - I can attest to that after several sleepless nights after false alarms. I would not recommend these until they fix this problem.

These entry sensors are a good size and were easy to add to my SimpliSafe system. They have good range (wireless) and the batteries they came with were fresh. I was a little disappointed that the individual packaged units didnt have an extra/second 2-sided 3M mounting tape in case the unit had to be adjusted/relocated during installation. That would be a nice added feature. (The whole package system Owners Manual also stated that there were extra 2-sided mounting tapes included, which wasnt correct.) Not enough of a negative to change my overall rating, but a bother that could be improved upon.