Tuya WiFi Smart Switch 16A/20A RF 433MHz Wireless Wall Panel 1/2/3 Gang Works with Alexa Google Assistant for LED Lamp Control

Description1.Controller (Receiver):Maxlode:16A/20AWorking voltage: AC85-240V 60HZ/50HZWorking frequency: WiFi+433MHZPower consumption in standby mode: Load power: Receiving sensitivity: -108dBMWorking way:wireless controlModulation: ASKWorking temperature: -10C~+70"C2.Wireless Wall Switch:Type:1/2/3 Gang SwitchWorking voltage: DC3.0VWorking frequency:433MHZPower consumption in standby mode:Transmitter power: Working way: wireless controlCoding way: EV1527 learning codeModulation: ASKWorking temperature:-10"C~+70CSize: 8686 15mmBattery:work with 12V 27A battery(battery included)