1. Wifi Smart Light Switch,One Key On/Off Lights 2. Main Function Perfect Quality 3. Bluetooth Pairing , Fast Responsesupport Bluetooth 5.0 Distribution Network 4. App Remote Control To Make Your Home Smarter 5. Turn-On Or Off Led Indicator,With Led Backlight At Night , It Is Easy To Turn On The Lights WiFi EU Mechanical Light Switch 1gang Input voltage: AC 85~250V 50 / 60Hz Current: maximum 10A/channel Maximum wireless distance: 45M Wi-Fi standard: the IEEE 802.11b/g Wi-Fi type: 2.4GHz Bluetooth version: Bluetooth 5.0 Operation mode: pressing button mode Standby power consumption: 0.6W Operating temperature: 0℃ ~ 60℃ (32°F~140°F) Working humidity: 1% ~ 85% RH (non-condensation) Product size: 86mm x 86mm x 41mm Colour:black Material:ABS Package Contents: 1 x Expanding Board 1 x Chinese And English Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from