led screw in bulb
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Most LED screw-in bulbs use the standard Edison medium screw base (E26).
Some models include automatic dusk-to-dawn sensors for outdoor use, rechargeable battery backup to keep the light on during outages, and a removable/convertible flashlight function on select bulbs.
Brightness in these listings ranges from about 760 to 1,100 lumens. Watt-equivalent ratings are commonly 60W, with some models listed as a 75W equivalent.
Available options include warm/soft white around 2700 K, daylight around 5000 K, tunable/variable white (adjustable color temperature), and multicolored/full-color bulbs with RGB options.
Many listings are marked Suitable for Damp Locations; at least one listing is marked Suitable for Wet Locations. Several bulbs are described specifically for outdoor dusk-to-dawn use and include an automatic light sensor.
Lifespan listings vary by model and are typically expressed in years based on manufacturers' daily-use assumptions. Many listings show about 13.7 years, while some smart or specialty bulbs list longer lifespans around 22–22.8 years. Check the product listing for the hours-per-day assumption used to calculate years.