Dusk to Dawn Light Bulbs Outdoor 100 Watt Equivalent, 11W Automatic On/Off Sensor Light Bulb Daylight 5000K, A19 Outdoor LED Light Bulbs Photocell for Porch Garage Yard Security, E26 Base, 4-Pack

We keep our light switch on. The lights go on at sun set. Which works great for me.

Light spreads and starts as soon as it is dark

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Works well turns up automatically at at dawn

Works as described

I got the light bulbs one was broke and the box was opened.

Great Light bulbs. Work as described. Recommended.

Good brightness

So far no issues. The brightness is great. They come on and off as advertised. Hopefully they will last for over 2 years.

Ordered these bulbs for existing floodlight fixtures that I wanted to make dusk to dawn. The bulbs have worked flawlessly so far (about a month now). Do note that these bulbs are not directional floodlight-type bulbs; they are omnidirectional bulbs like typical household light bulbs. Since these bulbs are omnidirectional and daylight color, they provide a bright white light that illuminates the area very well. I will buy more of these! One stipulation: take note of the manufacturers statement that you need a 1.2 meter separation between bulbs to deal with the sensors cancelling each other out. I did put these in typical twin floodlight fixtures, but only used one bulb per fixture (I plugged the other side of the fixture). The light, as I said, is bright enough that one bulb does the job!