[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. [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 --Not compatible sonoff zigbee dongle USB --Requires connection of neutral wire for use --Product type: WiFi/Zigbee Switch Module --Voltage :AC100-240V 50/60Hz --Max.load LED 400W per channel --Operation Frequency :2.405GHz-2.480GHz IEEE802.15.4 --Operation temp.: -10 + 40