Using infrared sensor technology， the light will illuminate automatically as you approach at night (doesn't turned on during daylight). Just screw the bulb on the thread socket directly， no more darkness in your house with this PIR sensor bulb. Widely applied in bedroom， study room， bathroom， kitchen room， corridor and etc.

Features:
● Sensor distance: 3 - 5 m
● Lifetime: More than 50000 hrs
● Sensor angle: 100 degrees
● Extending light time: 25 - 35s
● Installation: Screw the bulb on the thread socket directly
● Suitable for bedroom， study room， bathroom， kitchen room and corridor