HIGHLIGHT [APP Remote Control] ---- Download smart life /Tuya smart APP on your phone&Tablet to control the dimmer module anywhere/anytime. [Hand Free Voice Control] ---- Compatible with amazon alexa, google home, etc, a simple command to voice control the module. [Group-Control Function] --- Multi dimmer switch in different rooms can be set in a group, realize group control function. [Linkage Function] -- It can linkage with other switch modules, sensors, and appliances in your home, making creating different scenes possible, such as sleeping mode, working mode, dinner mode, back home mode, etc. [Timer, Schedule&Count Down Function] --- You can create a schedule according to your personal requirement, as well as Timer, count down function, smart and DIY your daily life to the maximum extend. [Family Share Function] --- You can share the switch with your family with the limited right, create a smart home together with your family member. [Easy to Install] -- Mini size dimmer switch module can be installed in the switch box or in the lamp box easily. (Notice: please turn off electricity during installation). SPECIFICATION --Product Type: 1Gang/2Gang Zigbee Dimmer Module --Voltage: AC100-240V 50/60Hz --Max. Load: LED (AC230V 150W) (AC120V 80W) --Operation Frequency: 2.405GHz-2.480GHz IEEE802.15.4 --Operation Temp: -10 + 40 --Protocol: Zigbee 3.0 --Operation Range: <100m (open area) --Dimension: (WxDxH) 39.2x39.2x18 mm --IP Rating: IP20