Product parameter: Intelligent human body sensing wall plug-in lamp holder. Specification: EU. Product size: 45*50MM. Suitable light source: LED bulbs, energy-saving bulbs, tungsten bulbs and other ordinary bulbs. Switch category: Built-in induction switch. Lamp holder Category: E27 screw. Sensing distance: 0-5 meters. Induction Angle: 120°. Delay time: 30±5 seconds. Feature: Wall insert human body sensor lamp holder E27 screw, can be compatible with a variety of bulbs, incandescent lamps, LED lamps, energy-saving lamps, etc. Simple to use, plug and play without wiring. Induction Angle 120°, induction distance about 3-5 meters. Built-in photosensitive element, no induction during the day or strong light, start at night when the light is dark. Widely used in hotels, corridors, maternal and infant homes and other places.