Feature:1. Premium Control: Control the temperature according to the temperature setting value and return difference, enables output control and delay protection, also has temperature correction and sensor fault alarm.2. Has Varied Mode: Comes with various management method by control temperature and time, and the easy adjustment will meet your work needs.3. Reliable in Use: The microcomputer temperature controller with sensitive sensor supports simple and efficient control over heating and cooling.4. Practical Works: Allows for wide application on cooler, refrigerator and so on for the storage of food, vegetables, fruits, medicine and more.5. Digital Display: The temperature controller can show the real time temp in ℃ or ℉, which has resolution of 1℃ or 0.1℃ for higher accuracy.Specification:Item Type: Temperature ControllerModel: ETC-974Working Power Supply: AC230V 50/60HZRelay Capacity: 8A 220V ACOperating Temperature: -5℃ ~ 55℃Relative Humidity: 10%~90%RH, non condensing. Storage Temperature: -30℃ ~ 85℃Sensor: NTC sensor with 10K resistance value. Sensor Failure Delay: 1 MinuteTemperature Control Range: NTC Probe: -50℃ ~ 110℃PCT Probe: -55℃ ~ 140℃Display Resolution: 1℃ or 0.1℃. .Package List:1 x Temperature Controller2 x Sensor1 x User Manual