XH-W1401 Smart Digital Temperature Control Module Temperature Controller Thermostat Module Heating & Cooling Control Module Features:Three LED display for current measuring temperature, start temperature and stop temperature. The temperature measuring range is -9~99.User-friendly dual indicator lights, red light is start and green light is stop.Automatically heating or cooling according to the preset temperature.Wide temperature range freely setting between -9~99.Adopts with good quality high speed SCM to control temperature accurately.Specifications:Material: PCBTemperature Range: -9~99Temperature Accuracy: 1Control Accuracy: 1Refresh Frequency: 0.5sInput Voltage: DC12V/24VWorking Environment: -10~60, 20%~85%RHMeasurement Input: NTC(3950~10K 1%), waterproof sensorOutput Type: Relay outputItem Size: 78 * 51 * 18mm / 3.07 * 2.01 * 0.71inItem Weight: 40g / 1.41ozPackage Weight: 43g / 1.52ozPackage Size: 12 * 10 * 3cm / 4.72 * 3.94 * 1.18in