Control temperature by setting the temperature set value and the different value. Dual heating and cooling function. Automatic over temperature alarmThis mini temperature controller is an excellent and convenient multifunction device for controlling temperature in farms, greenhouse, refrigeration houseThe stability of temperature is one of the crucial factors that contributes to the health and safety of your animal or vegetableTouch switch mode, and 0.1C accuracy, control of the temperatureThis advanced temperature controller can measure and control temperature from -55 to 120 CModel: STC - 3000Type: 110-220V 30AWorking principle: electronic thermostat, digital thermostatThermostat temperature range: -55 ~ 120 /-67 ~ 248color:As shownMaterial:plasticsize:85 x 64 x 35mmPackage Contents:1 x digital temperature controllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.