Features 1、Mini Body: Designed mini body, which suits for most of amounting boxes, switches and wall sockets. 2、App Remote Control: Remote control your lights from anywhere at anytime by smartphone. 3、Stepless dimming: Set an ideal brightness for sleeping, watching movies, and more with your original dimmer switch, for Smart Life app, or your voice. 4、Timer Schedule: Set a schedule in the app to turn on and off your lights automatically according to your own living habits. 5、Relay Status Setting: Don't worry about power failure, you can set this switch to restore the state after power on. Specification Specifications: Type: 1CH Dimmer Module/2CH Dimmer Module (Optional) Material: PC Operating Frequency: 2.405GHz-2.480GHz IEEE802.15.4 Operating Temp: -10℃~40℃ Protocol: for Zigbee 3.0 Operating Range: ＜100m IP Rating: IP20 Item Size: 39 * 39 * 18mm / 1.53 * 1.53 * 0.71in Item Weight: 30g / 1.05oz Package List 1 x for Zigbee Dimmer Switch Module 1 x User Manual (English)