Features: Auto On/Off: It can turn on the lights when people come and turn off the lights when people leave which greatly avoids waste and saves energy for you. Installation Requirement: Working voltage - AC110-240V; Load power - less than or equal to 40W; Best sensing distance - 3 to 5M; Recommended installation hole - 20mm in diameter. Fireproof Material: The exterior is made of fire-retardant material which is safe to use. Wear resistance high temperature resistance and strong flame retardant. Wide Applications: The sensor switch can be embedded or surface mounted. It is perfect for using sensors in home corridor stairs basement Tip: When the ambient temperature decreases the sensing distance will be farther and the sensitive response will be higher; when the ambient temperature rises the sensing distance will be closer and the sensitive response will be reduced. Notice: Actual color may be slightly different from the image due to different display and light effect. Please allow 1-3cm deviation due to manual measurement. Description: Working voltage: AC110-240V Shell size: length 37.2* diameter 27.5mm Load power: 40w Induction distance: 3-5m Sensing angle: 120 Delay time: 30S Working temperature: -20-40 Aperture: 20mm recommended Color/Style: As the picture shown Material: PC flame retardant material includes: 1 x Sensor with Wires "