Feature: 1. Large Testing Range: Digital temperature controller's probes are made of waterproof NTC sensors. Range: ‑10℃‑100℃/14‑212℉, Resolution: 0.1℃/0.1℉. Heating and cooling models are supported. 2. Dual Functions: Professional dual digital thermostats can control heating and cooling equipment, bringing you great convenience by replacing those controllers that only have a single function. 3. LED Display: The digital reptile aquarium thermometer features a clear display, flexible buttons and responsive socket contacts. The digital display supports Fahrenheit and Celsius units. 4. Set up and Start: The heating cooling temperature controller is easy to operate by simply setting up the temperature probe, plugging in the controller, and selecting your desired temperature setting. 5. Applications: Thermostats can be used to control a variety of refrigeration and heating, nursery heat pads, pet breeding, hatching, accelerated germination, electric radiators, electric ovens, fermentation, grow tents, home brewing, aquariums, smokers and barbecues, etc. Specification: Item Type: Digital Temperature Controller Material: ABS Power Cord Length: Approx. 95cm/37.4in Temperature Measurement Range: -10℃-100℃ Control Accuracy: 1℃ Measurement Accuracy: ±0.1℃ Resolution: 0.1℃ Refresh Rate: 0.5s Temperature Calibration Range: (+/-) 9℃ Measurement Input: NTC (10k0.5 %) Waterproof Sensor Output: One Side Load of Relay 10A Quiescent Current: Less Than 40mA Pick up Current: Less Than 65mA Working Environment: 10℃-60℃, Humidity 20%-85% Working Mode: Heating or Cooling Feature: 1. Simultaneously Display the Measurement Temperature, Start Temperature and Stop Temperature. 2. Digital Tube LED Display, Clear Reading, 4 Buttons, Easy to Operate. 4. Heating, Cooling Mode, the User Can Freely Set the Start, Stop Temperature. 5. Also Has Temperature Calibration Function. Indicator Light to Indicate Working Status.. Package List: 1 x Digital Temperature Controller1 x Manual Note: 1. This controller cannot be used with air conditioners and compressors.2. Manual measurement, please allow some errors.