Digital Temperature Controller Thermostat Meter Temp Sensor Switch RegulatorFeatures: * brand new and high quality *Can select cooling or heating working mode *Set highest/ lowest upper limit temp to avoid accident *Automatically start cooling or heating for constant temperature *Temperature calibration, you can calibrate temp according to requirement Specifications: *Temperature Range: -55-120 degree Celsius *Control Temperature Accuracy: 0.1 degree Celsius *Display Color: Red and Blue *Optional Power Supply Voltage: 12V / 24V / 110V-220V *Data Save: Yes *Relay: 20A *Dimensions: 79 * 43 * 26 mm (Approx.) *Hole Size: 74 * 39 mm (Approx.) Package Contents: 1 * Temperature Controller Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. Digital Temperature Controller Thermostat Meter Temp Sensor Switch Regulator High cost performance, Choose from the available size options, choose from available material options For home decoration, display or arrangement, a good helper at home Ideal to create a home environment to add color to life This picture is for reference only. There may be some color difference between the object and the picture