Features: 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 Voltage: 110-240V 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. 3. the Front Line Has a Plug, Plug and Play Design, Easy to Use. 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. PackageList: 1 xDigitalTemperatureController 1 x Manual Note1. This controller cannot be used with air conditioners and compressors. 2. Manual measurement, please allow some errors.