Feature: 1. Wiring method: live line in + live line out. Connect the switch to LED light (≤40W), energy-efficient light (≤40W) or LED light (≤60W). 2. Built in PIR sensor, the light will auto turn on when it detects person in the range of 3-8m (9.84-26.25ft). 3. Humanized design, the delay time of the LED light is 45 seconds after the person leaves. 4. The distance between PIR sensor light switch and lamp is above 0.5m (1.64ft) in installation. 5. 86x86mm standard size, concise appearance, fits well with smart life in modern home. Specification: Specifications: Color: White Material: Fireproof PC Standard: EU Standard Wiring Method: Live Line in, Live Line out PIR Sensing Distance: 3-8m / 9.84-26.25ft Delay Time: 45s Load Power: LED Light≤60W, Energy-efficient Light≤40W, LED Light≤100W Item Size: 86 * 86mm / 3.386 * 3.386in Item Weight: 52g / 1.83oz Package Size: 9.3 * 9.3 * 4.5cm / 3.66 * 3.66 * 1.77in Package Weight: 76g / 2.68oz . Package List: 1 * PIR Sensor Light Switch 2 * Screw Note: 1. Please cut off power before installation. 2. Size and color may be slightly different due to manual measurement and different lighting conditions. Thanks for understanding.