Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, bolier, steamer, industrial equipments and other temperature-controlled systems. Specification:Temperature control range: -50 - 110 resolution: -9.9 to 99.9 is 0.1c , 1c temperature ranges other measurement accuracy: 0.1 control accuracy: 0.1 c hysteresis accuracy: 0.1 c refresh rate: 0.5 s high temperature protection: 0 - 110 input power: Dc12vmeasuring inputs: Ntc (10k 0.5 percent) waterproof sensor. Output:10 a relay all the way environmental requirements: -10 - 60. Humidity 20 percent -85 percent power consumption: Static current.