These smart sensor bulbs are equipped with a built-in light sensor, automatically turn on the light when sunset and turn off when sunrise(power switch keeps on)
Plug and play, no added attachment necessary, compatible with E26 screw socket, works great with frosted & transparent cover.
9-watt provides 600-lumen (60-watt halogen equivalent), 85% money saving on electric bills.
120-volt working voltage, instant on, no flicker, no flash, no lead/ mercury/UV/IR, not dimmable.
4 x TORKASE dusk to dawn bulbs+ 1 user manual , 30 days money back guarantee and 12 months warranty