Features: Independent Dual-way temperature controller. Heating or cooling control. Red and blue LED display. All parameters can be saved after short circuit. It can be used for household freezer, water tank, refrigerator, industrial cooler, vaporizer, industrial equipment and other temperature control systems. The temperature controller has the feature of high accuracy, high sensitivity and high stability. Specification: Display type: Digital Size:As the picture shows Operating Voltage:12/24VDC/110-220V VAC(Optional) Senor length: 1.0 m Temperature measuring range: -55 ~ 110 Celsius Resolution: 0.1 Celsius Accuracy: 1 Celsius Power consumption: <3W Relay Contact Capacity: Two relays cool 10A / 240VAC; Heat 10A / 240VAC includes: 1x Temperature Controller