It& 39;s perfect for various household, institutional & industrial heating and cooling applications. Features: Versatile Use --- This temperature regulator measure temperature from -40to 90, it can be a temperature measure and display tool and temperature controller with wide temp control from -40to 50. High Performance --- This temperature thermostat with powerful function, cooling and heating mode convertible, automatic timed defrosting, manual, heating wire defrosting and temperature correction. and Reliable --- This thermostat with compressor start up delay protection, over temperature and fault alarm. Using USA Microchip-PIC microcontroller, the program design is optimized, -interference ability is strong, stable and reliable. Durable and Compact Design --- Miniaturized design, SMT & THT assembly, small size, light weight and versatility, easy for carry and space saving. Cover ABS material shell, durable, high temperature resistant and can be used for a long time. Wide Application --- The temperature controller can be used for refrigeration industry for cold storage, refrigerated cabinets, ocean pools, etc., also used in other occasions where automatic temperature control is required. Specifications: Model: STC-8080A+ Material: PCB Board + ABS Shell Power supply voltage: 220VAC Power consumption: Package List: 1 * Temperature Controller 1 * Temperature Sensor