Highlights : Voltage: 230 Volts Manufacturer: ‎AWANFI Batteries included: No Batteries Required: ‎Yes Batteries : 2Pcs 1.5V AAA battery Transmission Frequency: 433.92MHz Maximum Range: 20 meters in an open area 100 % Brand New Quality Low battery alert Room Thermostat Stand on table Wall mounted Operating Interface ON / OFF Button Description: Plug and play type, no need for installation Heating Mode or Cooling Mode switchable LCD with green backlight Display Current Temperature Display Target Temperature Automatic Learn code Manually Learn code High / Low-Temperature alert Easy Setting With memory function RF 433Mhz RF Technology Multi-channels, one remote control multi plugs Portable design, hold in hand What in the box: 1 x Wireless Thermostat 1 x User Manual SKU: 210921053708