Features Better design: the control system includes thermostat, defrost timer, high and low temperature alarm, etc. Precise Working: 1-way temperature sensor ensures high accuracy up to 1℃, while the control range is -40℃ to 40℃. Practical use: perfect for cooling and defrosting, can be used on refrigeration house, refrigerator, etc. Easy to install: designed to have light weight and compact size, installation is very convenient. Clear Display: The digital display paired with a clear control panel will greatly simplify viewing and operation. Specification: Item Type: Temperature Controller Material: ABS Operating voltage: 220VAC ±10%, 50HZ/60HZ Compressor relay output load: 10A, 220V AC Defrost Relay Output Load: 10A, 220V AC Power consumption: ≤3W Working environment: -10℃~50℃, RH≤90% Control range: -40℃~40℃ Resolution: 1°C Accuracy: ±1℃ Input signal: 1-channel temperature sensor. Package list: 1 x temperature regulator. 1 x Probe Connection Cable Small note: Pay attention to the correct operation. Package List 1 x Temperature Controller 1 x Probe Connecting Cable