Details: Display Color: Red Control Range: -50degree Celsius-110degree Celsius Input Voltage: DC 12V Resolution: When temperature is 0.1degree Celsius, the resolution is -9.9-99.9, other temperature segment is 1degree Celsius. Measurement input: NTC (10K 0.5%) waterproof sensor Control accuracy: 0.1degree Celsius Hysteresis accuracy: 0.1 degree Celsius Output range: 10A relay Environmental requirements: -10degree Celsius-60degree Celsius, humidity 20%-85% High temperature protection: 0-110 degree Celsius Refresh rate: 0.5s Static current: < =35mA, attract current< =65mA The display type: 0.28-inch, three digital control Board size: 48*40mm Package Contents: 1 * Board 1 * Acrylic Case Notes: 1,The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2,Please allow slight manual measurement deviation for the data.