ProductWireless thermostat for heating or cooling unitsGreen backlit displayOptional cooling and heatingTemperature display in C or FTarget temperature display C or FToggle Celsius/Fahrenheit< p> Set the target temperature at any timeAutomatically turn on/off heating or cooling equipment to save on electricity bills.On/Off function Remote ShutdownAuto Setup CodeLow Battery WarningLow Temperature/High Temperature AlarmSettings of memoryProduct parameters:OTS100, temperature remote control:Transmit frequency: 433.92 MHzCurrent temperature. Range: 0C~70C or 32F~158FTarget temperature. Range: 0C~70C or 32F~158FTemperature resolution: 1C or 1FEach press of the left/right button: 1C or 1F2 x 1.5V AAA batteriesWall mount and table standGreen backlightOptional heating and cooling modesOPS100, plug-in socket:Voltage: 230 V/50 Hz, 120 V /60 HzMaximum power: 3680 W, 16 AMaximum range: 20 meters in open spaces