1、[AUTO SAVE PARAMETERS] After the thermostat is short circuited, all parameter settings before the short circuit can be saved, so you don't need to spend time resetting. 2、[LED DISPLAY] The thermostat has a clear LED display with fonts in red and blue for better readability. 3、[ACCURATE TEMPERATURE CONTROL] This thermostat can be used for both heating and cooling equipment, and the temperature control accuracy is around 0.1 degrees Celsius. 4、[WIDE RANGE OF MEASUREMENT] The temperature measurement range of the thermostat is minus 50 degrees Celsius to 120 degrees Celsius. 5、[NECESSARY PART] This thermostat is an essential device for temperature control systems such as household freezers, water tanks, refrigerators, industrial chillers, and industrial equipment. 1 x Temperature Control Module Item Type: Temperature Control ModuleMaterial: ABS and PCBModel: W3230Input Voltage: 110V-220VTemperature Control Range: -50-120℃Resolution: 0.1℃ (- 9.9- 99.9); 1°C (other ranges)Display Color: Red, blueMeasurement Accuracy: ± 0.1℃Control Accuracy: 0.1℃Sensor: NTC10K waterproof sensorOutput: Relay contact capacity 10A 250V or 20A 12VEnvironmental Requirements: -10-60°C, humidity 20%-85% RH