Zigbee dimmer switch module is a device that allows you to control the brightness of your lights remotely through a Zigbee network. Zigbee is a wireless communication protocol that allows devices to communicate with each other and create a network. Features: Mini Body: Designed mini body, which suits for most of amounting boxes, switches and wall sockets. App Remote Control: Remote control your lights from anywhere at anytime by smartphone. Voice Control: Enjoy fully hands-free experience with your Alexa and Google Home Assistant. Timer Schedule: Set a schedule in the app to turn on and off your lights automatically according to your own living habits. Relay Status Setting: Don't worry about power failure, you can set this switch to restore the state after power on. Stepless dimming: Set an ideal brightness for sleeping, watching movies, and more with your original dimmer switch, the Smart Life app, or your voice. Note: Needs to be used with gateways! Specifications: Type: 1CH Dimmer Module/2CH Dimmer Module (Optional) Max. Load: 1CH: LED(AC 230V 150W) (AC120V 80W) 2CH: LED(AC230V 2x100W) (AC120V 2x60W) Material: PC Voltage: AC100-240V, 50/60Hz Operation Frequency: 2.405GHz-2.480GHz IEEE802.15.4 Operation Temp: -10~40 Protocol: Zigbee 3.0 Operation Range: 100m IP Rating: IP20 Item Size: 39 * 39 * 18mm / 1.53 * 1.53 * 0.71in Item Weight: 30g / 1.05oz Package Weight: 36g / 1.27oz Package Size: 6 * 4 * 2.2cm / 2.36 * 1.57 * 0.87in Package List: 1 * Zigbee Dimmer Switch Module 1 * User Manual (English)