Sunco Dusk to Dawn Light Bulbs LED Edison 3000K Warm White, 7W Equivalent 60W, Vintage Styled ST64 Extra Bright Automatic Bulb, 800 LM, E26 Base, Light Sensing Outdoor UL, Energy Star 4 Pack
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Ronald
> 3 dayI purchased these light bulbs so I can leave my outdoor lights on at less expense than other bulbs. Brightness is great. As far as longevity, I just purchased them but it does state they last a long time. I also do not have to remember to turn light on and off since there is a sensor.
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Mac Coder
> 3 dayThese are excellent bulbs. I wish they were available in candelabra style, but you can only get what they make. The dusk-dawn control works really well -- no flickering.
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Tobin Thiel
Greater than one weekThe bulbs are bright and look nice in my new outdoor light fixtures. They come on at darkness. I really like that feature. I turn the lights off overnight. Hoping that they last. So far Im happy with them.
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Maurice Kelly Jr.
> 3 dayHave only used one but so far I’m impressed
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BenAnne Putnam Hearon
> 3 dayThese lights really do come on at dusk and turn off at dawn. It’s great cause I couldn’t figure out how to set the timer on the light switch and now I don’t have to get frustrated trying to figure it out!
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Justin
Greater than one weekHad issues with the original bulbs, but their customer service responded promptly and sent me replacements, so will see if I have better luck with these, so far so good.
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J. Brett Dyson
> 3 dayI needed bulbs with a dusk to dawn feature that would work with other landscape lighting I have connected to a transformer. These have worked well for us! I use them in two light posts and two sconces. Ive had them since March 2020 and theyve worked without any trouble. Completely plug and play with nothing else to worry about other than providing them with a power source. Dont hesitate to purchase these.
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Mrs. Hildegard Barton III
> 3 dayThe lights are bright; operate as they are supposed to and came with a 2 year extended warranty. I’m assuming that means 7 yrs in total as the write up about the bulbs said 5 years.
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justin aiken
09-06-2025I would love to give these bulbs 5 stars but one of them stopped working after only 1 week. I would like to get it replaced.
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Clay
> 3 dayFor years, I would start my morning turning off the garage lights, and the front lights. I have tried several times to buy a light sensor, but they never seem to fit inside the light fixture or dont work close to the house. Now with these, the sensor is built into the light. So they turn themselves on at night and off in the morning. Even better - when I am away, they still turn on and off, and I dont have to leave my lights on 24x7 which is a pretty good sign that we are not at home... Love these
Where do I use an ST64 light bulb?
These glass bulbs with their high tech LED filament inside provide a retro styling to any space. This ST64 LED Filament Bulb with Dusk to Dawn is wet rated and designed for exterior use. Add it to lanterns or wall sconces on your exterior walls or porch, to pendant fixtures in your outside dining areas, or any retro light fixtures like gooseneck barn lights. They may also be suitable for string lights with an E26 base.
What is a Dusk to Dawn Sensor?
Sunco Dusk to Dawn lights improve your outdoor security and provide bright light with the convenience of automated night lighting. Our D2D bulbs turn on when the sun sets and automatically turn off when light is detected. Just switch it on to power the LED and let the included sensor do all the work. No timer is needed. Automated lighting helps create the illusion your house is occupied, even when it is not. These clever lights activate on their own so you can run a last minute errand after work and still have exterior lights on when you return after dark.
Why does my Dusk to Dawn light flash on/off?
Sometimes reflective surfaces can fool a Dusk to Dawn sensor into thinking there is sufficient light available, so the light turns itself off. It then registers no light detected and turns itself back on. This continues in a loop of off/on/off/on so that the light can appear to be strobing or flashing.
Consider these potential solutions: 1. Point lights away from one another so their beams to do not strike the D2D sensor in nearby light fixtures, 2. Use a dual bulb fixture with bulbs pointing in different directions, 3. Move a light fixture above a garage window or away from a doorway window will reduce the chances a reflective surface might mimic a light source and fool the D2D sensor.
Do I need a timer to set the Dusk to Dawn feature?
No, there is no timer needed for Dusk to Dawn bulbs. Flip on the light switch and the included Dusk to Dawn Sensor does all the work for you. It turns on when light is absent and off again when light is detected.
What does Wet Rated mean & why is it important?
The terms Wet Rated in our product descriptions and technical specifications refer to moisture ratings. Safety should be the main focus when you choose wet rated light bulbs. Since water is a conductor you want to eliminate accidental electrocution to protect the people who install and use light fixtures, including your family, visitors, and clients. Using Wet Rated light bulbs is appropriate for wet areas where dripping water, rain, or other liquid that could flow or splash against your light fixture or LED bulb. Sunco indicates the moisture rating in our technical specifications so you know our products meet set standards. Wet areas are not just exterior locations (though you can only use Dusk to Dawn bulbs outside). Use Wet Rated light bulbs in kitchens and bathrooms in select safety zones. Established safety zones identify areas that might be susceptible to exposure to water, such as near a bathtub or sink faucet.
What are warm lights or cool lights? What about color temperature?
Color temperatures are measured in degrees of Kelvin (K) on a scale from 1,000 to 10,000. This measurement allows you to describe the quality of a light. Commercial and residential lighting applications typically use from 2000K to 6500K color temperatures. Lower color temperatures offer a warmer look. They are more amber, yellow, or a warm white. High color temperatures offer a cooler look. They range from white to blue to blueish silver. Light can help create a mood or define room ambiance.
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| ST64 D2D Bulb, Filament | ST64 LED Bulb, Filament | T10 LED Tubular Bulb, Filament, D2D | A19 Dusk to Dawn Filament LED Bulb | G25 Filament LED Bulb | B11 D2D Filament LED Bulb | |
| Lumens | 800 lumens | 800 lumens | 450 lumens | 850 lumens | 500 lumens | 500 lumens |
| Wattage | 7W | 8.5W | 5W | 9W | 5.5W | 5W |
| Equivalency | 60W | 60W | 40W | 60W | 60W | 40W |
| Dimmable | ✓ | ✓ | ||||
| Color Rendering Index (CRI) | 90 | 90 | 90 | 90 | ||
| Moisture Rating | Wet Rated | Wet Rated | Wet Rated | Wet Rated | Wet Rated | Damp Rated |
| Base Type | E26 | E26 | E26 | E26 | E26 | E12 |
| Photocell Sensor | ✓ | ✓ | ✓ | ✓ | ||
| Beam Angle | 300° | 300° | 300° | 300° | 300° | 300° |
| Lifetime | 15,000 hours | 15,000 hours | 15,000 hours | 15,000 hours | 15,000 hours | 15,000 hours |