1 Group Wifi Dimmer- The Smart Dimmer Supports Max 500W Power And Max 2A/250V Current For One Group. Attention Installation:After Testing The Touch Switch Function, Please Remember To Turn Off The Main Power. Carefully Push The Glass Panel On Each Side To Make Sure It Is Fully Seated With The Clips On The Switch. Turn On The Appropriate Circuit Breaker And Wait At Least 3 Minutes Before Using The Switch.Please Check Wiring Compatibility, This Switch Requires Neutral Power Supply Timing Function: Schedule Wi-Fi Light Switch Smart To Automatically Turn Electronics On And Off According To The Time You Set; Energy Saving Eliminates Standby Power Loss, Prevents Overcharging And Overheating, Lowers Your Electricity Bills And Extends Product Life. Voice Control:Compatible With Amazon Alexa, Google Home Assistant, Control Your Home Appliances With The Smart Touch Switch By Simply Giving Voice Commands To Amazon Alexa Or Google Assistant. Remote Control: Control Your Home Appliances Through Your Phone Whenever And Wherever You Are After Downloading The Free App Tuya & Smart Life, As Long As There Is A Network. Suitable For Someone Who Can'T Move Around Very Well And Needs Easy Access To Continuously Adjust The Brightness Of The Lights Or Turn On/Off All Appliances