Main Features:   1. Smart App Remote Control:Conveniently control your lights and the backlight indicator with the Tuya App no matter where you are.(Compatible with Android&iOS.)Also,you may easily share it with your family to control your lights together with Tuya App.   2. Hands-Free Voice Control:Compatible with Amazon Alexa and Google Home for easy voice control when your hands are not free,providing your smart life with much more convenience.   3. 2/3 way:Switches control lamps in different position.It is especially suitable for installation in the stairwell of up and down stairs, which is convenient for night lighting of up and down stairs.   4. Customize Your Own Scence:One key controls multi switches. For example, set your home to automatically turn off the switches when you leave home. Save time.   5. Timer Setting:Take full control of your Home&Office lights intelligently with the timer feature on your App.      Parameter:   Working voltage: 100V-240V~, 50Hz/60Hz;   Working current: 10A Max (pure resistive load);   Wiring mode: zero live wire;   Load type: incandescent lamp 500W/channel, LED lamp 120W/channel, energy-saving lamp 200W/channel;   Product material: tempered glass panel + fireproof PC shell;   Size (height * width * thickness): 118mm*72mm*38mm;   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;   RF frequency: 433.92MHz;   Color: White/Black;      Package included:  1 x Touch Switch(3Gang)  2 x Screws  1 x Manual