Features ABS flame retardant plastic shell, more safe to use. Microcomputer intelligent digital display thermostat, dual display dual temperature. With wide temperature measuring range and controlling range, comes with a integrated sensor. The large and clear digital display shows measuring temperature, high accuracy of temperature measuring and controlling. Suitable for automatic switching of refrigeration and heating devices such as seafood machines and cooling water machines. Specification:Condition: 100% Brand NewItem Type: Temperature ControllerProduct Model: STC-3028Optional Voltage: 12V/24V/110V - 220VACTemperature Control Range: -20 ° C ~ 80 ° CScreen Display: Dual Screen Dual DisplayMachine Power Consumption: Less Than 3WTemperature Measurement Accuracy: 1° C, 0.1%RHResolution: 0.1 ° CSensor: Integrated sensorAmbient Temperature: 0~60°CRelative Humidity: 0%~100% (no condensation)Machine Size: Approx. 75 x 34.5 x 85mm / 3 x 1.4 x 3.3inInstallation Opening: Approx. 71 x 29mm / 2.8 x 1.1inHousing Material: ABS flame retardant plastic shell Package List:1 x Temperature Controller   Note:Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List