ITEM NAME:5Pcs DC 12V W1209 Digital Thermostat Temperature Controller Switch Module Description: - Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, bolier, steamer, industrial equipments and other temperature-controlled systems. - Temperature range :-50-110 ℃ - Resolution: -9.9 to 99.9 is 0.1Â ° C , 1 Â ° C temperature ranges other - Measurement Accuracy: 0.1 ℃ - Control accuracy: 0.1 ℃ - Hysteresis accuracy: 0.1 ℃ - Refresh rate: 0.5 S - High temperature protection: 0 ~ 110 ℃ - Input Power: DC12V - Output voltage: DC 12V - Output power: 20A relay - Measuring inputs: NTC (10K 0.5%) Waterproof sensor - Environmental requirements: -10 ~ 60 ℃ , Humidity 20% -85% - Power consumption: Static current: