It's perfect for various household, institutional & industrial heating and cooling applications. Features: Versatile Use --- This temperature regulator measure temperature range from -40to 90, it can be a temperature measure and display tool and temperature controller with wide temp control range 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. Safe 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, anti-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 high quality 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 Plastic Shell Power supply voltage: 220VAC Power consumption: < 3W The temperature range: -40~50 Measurement accuracy: 1 Display resolution: 1 Sensor: NTC, sheath leads Compressor output contact capacity: 10A/240VAC Defrosting output contact capacity: 10A/240VAC Alarm output: buzzer +LED flickers Temperature correction range: 5 Alarm range for temperature overrun: 0~20 The period of defrosting is adjustable for 0 hours and 99 hours. Defrost time: 0 minutes and 99 minutes Boot delay: 3 minutes Mounting size: 71*29mm/2.8*1.1in Item Size: 85*75*34mm/3.3*3.0*1.3in Item Weight: 188g/6.6oz Package Weight: 224g/7.9oz Package Size: 100*80*60mm/3.9*3.1*2.4in Package List: 1 * Temperature Controller 1 * Temperature Sensor