Power supply voltage: 220VAC±10% / 50Hz Temperature measurement range: -50℃ - 99℃ Temperature measurement accuracy: ±1℃ Load power: Cooling 16A, fan 10A, lighting 3A Power consumption of the whole machine: ≤5W Sensor cable length: 2.0 m Installation size: 71x29mm (width x height) Front panel size: 75x34.5mm (width x height) Whole machine size: 75x34.5x64mm (width x height x depth) Parameter setting 1. In the running state, control the light; 2. Set the temperature: Press and hold the Set key for more than 3 seconds to enter the internal parameter setting menu. The digital tube displays the parameter code. Press the Set key again to enter the parameter value corresponding to the code. Use the up or down key to adjust the parameter value. Press the Set key to save the parameter and return to the parameter code interface. Press the parameter key in any state to exit the setting mode, settings will be saved automatically, and return to the working state. 3. Forced cooling: In non-setting state, press and hold the parameter key for more than 3 seconds to enter forced cooling mode. After forced cooling duration C3, it returns to normal operation. During forced cooling, press and hold the same key to exit forced cooling. Color: Black Material: ABS Package Contents: 1 set * Digital display freezer thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement allowed error is +/- 1-3cm.