Detector Connected -Digital Thermostat Led Temperature Controller Switch Output 10A DC 12V Highlights Generic Brand Digital Thermostat Led Temperature Controller Switch Output 10A DC 12V Description: Auto switch modes between cool and warm. Control the temperature by adjusting the temperature set value. Used for all kinds of refrigerators, farms, science labs, home temperature control, industrial equipment and other temperature-controlled systems. specification: Temperature measurement range: -55-120 Temperature control range: -19-99 Accuracy: 3 Control accuracy: 1 Output type: 10A relay Supply voltage: DC12V Temperature probe temperature measurement: NTC10K/B3435 Environment temperature: -25-55 Humidity: 20%-80% (no condensation) Material: plastic + electronic components Size: approx. 9 x 6 x 2.5cm / 3.5 x 2.4 x 1inch Probe cable length: 100cm SET/ON/OFF function switch: In on state, long press SET for 3 seconds to turn on the controller. If it is off when powered off, it will remain off when powered on. In the idle state, press SET to turn it on, if it is on when you turn it off. It will stay on when powering on. In the working state, press SET to choose F-1, F-2, F-3 (These are attached functions, it has nothing to do with controller setting, set it as you need) F-1: Intermittent work Left: Start work setting (Minute) Right: Stop work setting (Minute) F-2: Free time Left: hour Right: Maximum minute setting: 99 hours 59 minutes F-3: Time Left: hour Right: Max minute setting: 99 hours 59 minutes Temperature caltification Unplug the controller, press SET, enter the temperature calibration function, display -000- -, you can add/subtract the base of temperature on the temperature before calibration. Max range -9.9C~99C, after calibration, current temperature = before temperature calibration + calibration value Self-test function Both Press ""up"" and ""down" buttons "", and power on, then it will enter self-test function Reset Both Press ""up"" and ""down"" buttons, and power on, turn on the controller, then it will display 88- 888-88, the buzzer beeps, then reset completed. Heating cooling mode Start temperature Start temperature > stop temperature = cooling mode Package includes: 1 piece Thermostat module with screws 1 piece NTC Probe (cable length about 1M) 1 piece manual