Features:Control temperature by setting the temperature set value and the different value.Thismini temperature controller is an excellent and convenient multifunction device for controlling temperature in farms,greenhouse, refrigeration house .Touch switch mode, and 0.1Caccuracy, strict control of the temperature.Thestability of temperature is one of the crucial factors that contributesto the health and safety of your animal/vegetables, by utilizing the temperature controller, you can provide an environment with optimal temperature.This advanced temperature controller can measure and control temperature from -55 to 120C.Automatic over temperature alarm.Dual heating and cooling function.Specifications:Model: STC - 3000Working principle: electronic thermostat, digital thermostatPower: 220V10A ,30A/AC220VThermostat temperature range: -55 ~ 120 Size: 85 x 35 x 65mm/3.34 x 1.38 x 2.56inchWeight: 121g,136gWiring:Package Included:1 x Temperature ControllerNote: This product has only Celsius display, No Fahrenheit (although the product label marked )