Motion Sensor Light Bulbs Dusk To Dawn 13W 100W Equivalent 1100Lm, 4 Pack Sensitive Motion Sensor: Aovpex motion sensor light bulb has a sensitive PIR infrared sensor on the top of the bulb, This smart sensor bulb automatically lights up when it detects motion within a range of 8-16FT in the dark and turns off after motion cease about 30 seconds Dusk to Dawn Sensor: With this dusk to dawn sensor, the motion detection function is deactivated during daylight hours ( 40lux) and reactivated only when ambient light is dark ( 15lux) Super Bright Energy Saving: This 13W E26 motion sensor bulb is super bright and equivalent to an 100W traditional bulb, light up your indoor or outdoor space easily, with superior LEDs, it saves up to 85% energy and sharply decrease your electricity costs Wide Application: You can use this security light bulb in hallway, stairs, basement, closet, storage room, laundry room, bathroom, porch, front door, balcony, back yard, garage, gate and so on, enhance security for you and your families Warm Tips: make sure the bulb is facing down and the sensor doesn't cover by any objects like lighting fixture cover, it may cause the bulb work improerply