1Automatically switch between cooling and heating modes to keep your equipment in the ideal temperature range. 2DIY design wiring diagram, more economical and practical, more convenient to use. 3The flameretardant ABS of the plastic shell reaches the V0 level, and it has passed the antiinterference test, which is stable and reliable. 4There will be audible and visual alarms when over-temperature and sensor failure problems occur. 5Mainly used to control the temperature of refrigerators or freezers and effectively extend their service life. Item Type: Temperature Controller Material: ABS Purpose: Control the temperature of the refrigerator or freezer Color: Black Temperature Control Range: -50~110 Resolution: -9.9~99.9, 0.1, Other Temperature Range 1 Temperature Measurement Accuracy: 0.2%FS Temperature Control Accuracy: 0.1 Refreshing Rate: 0.5S Measurement Input: NTC (B3950=10K 0.5%) 1 meter waterproof sensor Output Type: output switch, maximum capacity 10A 1 x Digital Temperature ControllerConnect the power supply and load according to the manual, and be careful not to use overvoltage or overload.