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. 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: 27g / 0.95oz Package Weight: 34g / 1.19oz Package Size: 6 * 4 * 2.2cm / 2.36 * 1.57 * 0.87in Package List: 1 * Zigbee Dimmer Switch Module 1 * User Manual (English)