Sunco Dusk to Dawn Light Bulbs LED Edison 2700K Soft White, 7W Equivalent 60W, Vintage Styled ST64 Extra Bright Automatic Bulb, 800 LM, E26 Base, Light Sensing Outdoor UL, Energy Star 2 Pack
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Debby
> 3 dayLove the look and functionality of these lightbulbs! I never have to worry about coming home when it’s dark because these bulbs come on at dusk and go off at dawn!
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rtemp
Greater than one weekLove them. Havent used the very long but so far they are doing what I hoped they would do
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pecan
> 3 dayWe have a detached garage and the light switch is in the garage instead of the house. I had no way to turn on and off the lights outside my garage doors. This is the perfect solution. When it starts getting dark, the lights come on by themselves and they turn off when it gets light outside. I dont have to worry about remembering the lights anymore.
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Scott J. Buss
> 3 dayThese work great! They turn off in the morning and come on at dusk. They are bright!! I probably would have gone with a 40 Watt equivalent if they had it, but being in the country, I dont mind a little extra brightness.
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Musical Mary
Greater than one weekI got these lights for the dawn to dusk feature which works wonderfully! I also love how bright the bulb is at night! It doesn’t seem to attract bugs much either which is another great bonus! Love these lights!!
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Josh W
04-06-2025When installing these bulbs two of the ten did not work correctly. I contacted manufacturer directly and they sent two replacement bulbs immediately. Their communication was excellent. The bulbs themselves fit great in our new outdoor lights and promptly turn on at dusk and off at first light every day. So nice!
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Cindy B
> 3 dayI wanted dusk to dawn light bulbs so I can stop having to turn the lights on and off everyday. My current fixture does not support these bulbs and when I bought a new fixture I found these bulbs. They are big and perfect for my new fixture. The only issue I’ve been having is one of the fixture on the porch keeps staying on longer after sunrise and turns on earlier before sunset. I’m not blaming it on the bulbs. It is because my fixture is covered withs walls on two sides and I have a column a few feet away blocking it from a lot of sunlight, plus it’s always gloomy and cloudy in my area so the light keeps turning on. What a bummer! The one on my garage that is not obstructed works perfectly and light is really bright. I got the 3000k lumen and it was not as yellow as I thought it would be so this would have been perfect if placed in a less obstructed location. Wishing it would be more sensitive to less lights and turn itself off. This still didn’t address my main goal but at least it looks nice.
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N
07-06-2025I was looking for a piece to modify outside fixtures to dusk to dawn as adjusting the timer was a pain. I stumbled on these and decided to give them a try. They work amazingly well. I love that they even come on for gloomy rainy days. The bulbs look very much like the expensive Edison bulbs. Quite attractive.
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sillydog
> 3 dayLoved these and a great deal for the price. For me, the trick is to let them turn off in the morning, turn them off and then on again on rainy days when the sun is fully up, and they work great, coming on again when its dusk. Super bright and efficient. Highly recommended.
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Sue W
> 3 dayGreat product I know don’t have to worry about turning off my outside lights in the morning.
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 |