XH-M452 LED Digital Thermostat Temperature and Humidity Control Thermometer Hygrometer Controller Relay Module with Probe DC 12V

Descriptions: Power supply :DC 12V Temperature measurement range:-40~120° Humidity range:0~100%RH Control precision:0.1°  0.1%RH Test probe:Integrated sensor output:10A delay Size:65*55*28mm Temperature control: 1. Set the temperature + :Normal display mode, long press the + key for 3 seconds, start temperature numerical flashing, press the + / - key setting values, wrong operation after 5 seconds, automatically return to detect temperature display 2. Set the temperature - :Normal display mode, long press - button for 3 seconds, stop numerical flashing temperature, press the + / - key set value 3. Restore the factory Settings :At the same time long press temperature, and humidity + key for 3 seconds, digital display, 888, 888 Set the start temperature:Long press the + key, start the flashing temperature, set start temperature by + / - key set Stop Temperature: long press - button, stop flashing temperature, set stop temperature by + / - key Humidity Setting: Set to start humidity: long press the + key, start the humidity value flashing, set by + / - key launch humidity value Set stop humidity: long press - to stop humidity value, set by + / - key to stop the humidity value Fault code: display LLL mean the sensorfault display HHH mean Test temperature exceed the range of measurement Package Included: 1 x XH-M452 Thermostat Temperature Humidity Control Thermometer Hygrometer Controller Module Dual Output DC 12V LED Digital Display