General: R6500Electric Heating Thermostats adopt NTC sensor, Output reply controlsthe on &off of the motorized valve. When room temperature is 1C lower than set-point,thermostat opens the valve. When they are equal, it closed the valve. Themax.current load is 16A. With computerized controller technique, R6600 Series Thermostatshave Timing Open&Close and 7 days 4 cycle programmable function. LED displaysroom temperature and set-point mode.Characteristic: Nice design Easy operation NTC Sensor, accurate Temperature Measurement LED IndicatorTechnical Data Sensor: NTC Temperature Control Accuracy: + - 5C Power Supply:AC220V + -15%, 50&60 Hz Output Power: AC220V 2A for heating AC220V 16A for electric heatingShell: Pc+ABS(Fire-proof)Dimension: 86x86x30mm producing area:Xiamen, China payment:T/T, L/C at sight