Main Features:   Control Everywhere - Turn on and off your devices through smart life APP.   Voice Control - Compatible with Amazon Alexa, Google home, handsfree to manage your devices with voice commands.   Timing Function  - Set the time via the free app and turn it on and off automatically at any time. Put it and forget it It supports many groups of timer settings. The timer setting can work as usual even if the network is shutting down.   Easy to Use  - Connection is easy and reliable.   Specification:   Working voltage: 100V-240V~, 50Hz/60Hz;   Working current: 2A Max (curtain motor load);   Wiring mode: zero live wire;   Load type: curtain motor within 400W;   Product material: tempered glass panel + fireproof PC shell;   Size (height * width * thickness): 86mm*86mm*34mm;   Use environment: temperature 0℃~40℃, relative humidity less than 95%;   Wireless standard: Wi-Fi IEEE802.11 b/g/n 2.4GHz;   Security mechanism: WPA-PSK/WPA2-PSK;      Package included:  1 x WiFi Curtain Switch   2 x Screws  1 x Manual