ITEM NAME:DC 12V LED Digital Thermostat Temperature Controller Temp Sensor Control Relay Product Description Description: Technical Parameters: Temperature range: -55-120 ℃ Control temperature accuracy: 0.1 ℃ Display colors: red and blue Power supply voltage: 12V Data Save: Yes Relay: 20A Dimensions: 79 X 43 X 26 MM Hole size: 74 X 39 MM Line length: 100cm Inclus: 1 x controller 1 X manual.Nous vous prions de nous excuser pour tout le retard des rà ©ponses pendant les vacances. Relay: 20A. Temperature range: -55-120 ℃. Line length: 100cm. Warranty Service. If item is defective after 3 months, you can still send it back to us.