Safety Reliable - Our Dusk to Dawn light bulb meets UL-Listed E33485, RoHS, FCC for outstanding quality. No flicker, no flash, No lead/ mercury/ UV / IR, that?s designed for the comfort of your eyes. We uphold the highest standards for all our products by testing each product for optimal performance and safety. The hassle-fee 3-year unlimited warranty provides you with our excellent after-sales service. Comfortable Lighting - This A19 led light bulb offers Soft White and comfortable lighting with high CRI 80+ (color rendering index); At 2700K these bulbs deliver bright. It only lights up in the detective range at night or in the dark environment, energy-saving, environment protecting and long life, can be used in stairs, hallway, bathroom, front door, storage room, garage, closet, balcony, gate and so on. We suggest the bulb should be installed downward and no higher than 8 feet. Lasting Energy Saving - With Aluminum heatsink to make sure that the heat comes out from the Lamp. This LED bulb lasts 10x longer than incandescent and 4x longer than halogen bulbs, saving you the cost of frequent bulb replacement. 10W equivalent to 60W traditional light bulb, providing 806lm saving 83% energy, the same enjoyment, sharply decrease your electricity costs. Bulbs are compatible with any standard E26 socket and recommended for Indoor use. Dusk to Dawn Sensor: Built-in a photocell sensor, the smart bulb automatically turns on at night (= 25lux) when movement is detected and off during the day (= 45lux) even with motion detected. It only turns on when the ambient light is dark, avoids unnecessary work in the daytime or when the ambient light is bright. The energy-efficient design avoids wasting of electricity. PIR Infrared Motion Sensor - PIR infrared motion sensor is at the top of the bulb, the motion detector works like a small electronic eye that detects infrared waves?heat waves that radiate from moving objects. The LED light bulb turns on automatically once movement is detected within 12 - 18ft. It shuts off 30 seconds later after no activity in the detecting scope. No need to switch on/off physically, smart bulb frees your hands. Brand AmeriTop Light Type LED Special Feature Motion Sensor, Dusk to Dawn, Auto On Off, Instant On, Photocell, Shatter-resistant, Shock and vibration resistant See more Wattage 10 watts Bulb Shape Size A19 6059619