Features 1,Professional microcomputer temperature controller designed for cold storage, freezers. 2,With cooling and defrosting functions, which has strong practicality. 3,With temperature correction, the measurement is more accurate, high dependability. 4,It has the functions of temperature difference, power‑off memory, fault self‑check, etc. 5,Switching between cold and warm modes, with maximum and minimum temperature limits, compressors delay protection, and more convenient control. Specification Condition: Item Type: Digital Temperature Controller Material: ABS Color: As picture shown Working Voltage: AC220V, ±10 percent , 50HZ or 60HZ Output Load: 10A or 220V or AC Power Consumption: ≤3W Working Environment: -10℃-50℃, RH ≤90 percent Control Range: -50℃-50℃ Resolution: 1℃ Accuracy: ±1℃ Input Signal: 1-wayStorage Temperature Sensor, 1-way Defrosting Sensor, 10Kx2 Meters Machine Size(WxHxD): Approx. 120 x 53 x 84mm or 4.7 x 2.1 x 3.3in Hole Size(WxH): Approx. 92 x 44mm or 3.6 x 1.7in Package List 1 x Temperature Controller 2 x Sensor Line Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.