Smart PIR Motion Sensor Technology This E27 light bulb holder features an integrated PIR (Passive Infrared) motion sensor that automatically turns your connected bulb on when movement is detected and off after a set period of no activity, helping you save energy and enhance convenience. Designed with a standard E27 screw base, this sensor adapter is compatible with most LED, CFL and incandescent bulbs. Ideal for entrances, corridors, stairways, garages, basements and storage rooms, this automatic LED switch provides hands‑free lighting. AC 110V-220V Wide Voltage Design Supporting AC 110V to 220V input, the lamp base converter is suitable for most households and commercial environments worldwide. Energy Saving and Cost Efficient Color: As Shown Material: ABS Package Contents: 1*bulb holder sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.