ITEM NAME:Dc 12V Led Digital Thermostat Temperature Controller Temp Sensor Control W2 A2F2 Dc 12V Led Digital Thermostat Temperature Controller Temp Sensor Control W2 A2F2 Celsius or Fahrenheit Wide temperature range Dual mode for heating or cooling applications Configurable return difference Calibration offset Start delay Temperature range: -50 ~110 Celsius Accuracy: +/-0.1 Celsius Control accuracy: 0.1 Celsius Refresh rate: 0.5 seconds High-temperature protection: 0-110 Celsius Input voltage: DC 12 v Measuring inputs: NTC (10K 0.5%) waterproof sensor Output: 1 way 20 A relay Environmental requirements: -10-60 Celsius , humidity 20% -85%RH Power consumption: Static current: less than or equal to 35 mA,attract current: less than or equal to 65 mA Power supply: 12 v 200 mA colour:Black Material:PC+ metal size:4.8*3.2*2.9cm Hole size: 46*26.5 mm Package Contents: 1 x thermostat module 1 x temperature probe