Wireless Human Body PIR Sensor Smart Home Kit Work with Gateway APP.[4 PCS]

Features :  - Work with other smart devices.  - Intelligent induction : when somebody goes through, the night light will turn on automatically.  - Sense the lightness and dark of your room.  - Notice function: sent alert to you through the APP.    Note :  This item need to be used with Multifunctional Gateway (Upgrade Version) /Aqara Multifunctional Gateway.  If the product is connected to HomeKit, the light sensing function is not supported.  Specification : Weight: 0.018 kg;  Size (L x W x H): 3.00 x 3.00 x 3.30 cm (1.18 x 1.18 x 1.3 inches);  Detection Distance: 7m;  Detecton Angle: 170°;  Light-intensity Detection: Support;  Wireless Protocol: ZigBee Wireless Protocol;  Battery: Built-in 1PC CR2450 Button Battery;  Working Tenpereture: -10℃ - 45℃;  Working Humidity: 0% - 95% RH;    Package Includes :  4 x Aqara Human Body Sensor;  4 x Aqara Human Body Sensor Holder