Descriptions:  2020 New Arrival Upgraded with More Personalized Points:  Update1:Multi-control in a much easier way,  Update2:New pairing mode with WiFi+Bluetooth,  Update3:Backlight ON/OFF optional,  Update4:Relay status adjustable when power off,  Provide much more convenience and updates for your smart lifestyle with the price unchanged as before.    Features:   1.New idea for 2/3 Way circuit (two switches control one light)that is explained as multi-control association of this switch to other WiFi smart switches in App;capacitive touch control, turn on/off your light with a single touch and scratch resistance glass panel gives the best look to blend with any wall design.(Note:You can multi-control associate of this switch to multiple different switches,but several gangs on one switch is not available,only one gang on one switch can be associated for multi-control.)  2.Differ in features from traditional common switch,this smart switch is able to be controlled by various ways alone with the best value like App control,touch control,voice control and built-in RF433 frequency allows for another control via RF remote control switch with encoding 1527 without interference;achieve multi-control by associating to other smart switches.(Note:433 RF Remote is not included in the package,please purchase separately.)  3.Reinsert new features into upgraded Smart Life Tuya App like ON/OFF relay status as remember last status when power off and backlight switch setting.Compatible with Alexa and Google home allows free voice control ;remotely control devices on your smart phone via Smart Life/Tuya App wherever you are.  4.Take full control of connected appliances with timers, schedules and countdown (1/5/30 mins, 1 hour, etc.) with the app; share control with family and friends for added convenience.  5.Neutral wire is required in your switch boxes to operate correctly;only supports 2.4G network;a much easier pairing mode for adding the device with WiFi and Bluetooth connected;includes full 2-year warranty and 60-day refund guarantee for complete satisfaction.    Parameter:  Working voltage:AC100-250V,50/60Hz;  Current type: Total 10A;  Rated load: 2200W/1Gang;  Wireless type: Wi-Fi 2.4GHz;  Power consumption: Less than or equal to 0.5W;  Working temperature: 0 Celsius~40 Celsius;  Support system: AndroidiOS;  RF Frequency: 433MHz;  RF Standard Code: 1527;    Package included:   1 x MoesHouse US 4 Gang Smart Glass Panel Switch