STC-3008 KT99 Dual Digital Temperature Controller Two Relay Output 12V 24V 220V Thermoregulator Thermostat With Heater Cooler 40%OFF                                     Features:              Automatic conversion of refrigeration and heating mode.        Control mode of return difference;Temperature display resolution 0.1.        The temperature controller has the characteristic of high accuracy, high sensitivity, high stability.        Support temperature correction and support for power loss (the parameters of the sudden power failure are still valid.        Application range is like home temperature control, farm, various cold storage, greenhouse, aquarium, etc.                                   Specifications:       Display Type:Digital              Temperature sensor: NTC 10K        Senor length:1.0m        Temperature measuring range: -55 ° C ~ 120 ° C        Resolution: 0.1 ° C        Accuracy:±1° C        Power supply: DC 12V , DC 24V ,AC 110-220V         Power consumption: <3W        Storage temperature: -30 ° C ~ 75 ° C        Relative humidity: 20% ~ 85% (No condensate)        Relay contact capacity: Two Relay Cool 10A/240V AC; Heat 10A/240V AC                                   Package:       1*Temperature Controller              2* Waterproof Sensor