Specification Supply voltage DC 12VStatic current 35MA attract current 65MAOutput voltage DC 12VOutput power 20A relayMeasurement input NTC 10K 0 5 Waterproof SensorEnvironmental requirements 10 60℃ Humidity 20 85 Dimensions 48 x 40mmCable length About 52 cmTemperature control mode ON OFFTemperature range 50 110CControl accuracy 0 1CHysteresisaccuracy 0 1CRefresh rate 0 5SHigh temperature protection 0 110CResolution When temperature is 0 1C the resolution is 9 9 99 9 other temperature segment is 1CPackage included 3 x Digital temperature control switch with cable