HIGHLIGHT [ No Neutral Wire Required ] -No neutral wire needed ,convenient to upgrade old house light switch system without neutral line. [ APP Remote Control ] -Download smart life /Tuya smart APP on your phone&Tablet to control the switch anywhere/anytime [ Hand Free Voice Control ] -Compatible with alexa echo ,google home ect ,a simply command to voice control the receiver. [ Group-Control Function ] -Multi switch in different room can set in a group ,realize group control function. [ Dual Way Control ] -Can fully upgrade 2 way control switch without change wiring design of house. [ Linkage Function ] -It can linkage with other switch module ,sensor and appliance in your home ,make create different scene poible,such as sleeping mode,working mode,dinner mode ,back home mode ect. [ Timer,Schedule & Count Down Function ] -You can create schedule according to your personal requirement ,as well as timing and count down,smart and DIY your daily life to the maximum extend. [ Status Memory ] -When electricity cut off and on again ,you can definite the status as on,off or as last status. [ Switch Type Setting Function ] -Switch type can be setting ,such as rocker switch and button switch.Also state of rocker switch can be setting as flip to change state and state synchronous. [ Family Share Function ] -You can share the switch to your family with the limited right,create a smart home together with your family member. [ Easy to Install ] -Mini size switch module can be installed in switch box or in lamp box easily.(Notice: please turn off electricity during installation). SPECIFICATION --Product Type: 1 Gang Zigbee Switch Module No Neutral --Voltage:AC200-240V 50/60Hz --Max.load :10-100W --Operation Frequency :2.405GHz-2.480GHz IEEE802.15.4 --Operation Temp. :-10 + 40 --Protocol:Zigbee 3.0 --Operation Range :<100m --Dims (WxDxH) :39x39x19 mm --IP Rating: IP20 --