Features This is a single sensor general temperature controller with strong anti-interference ability and stability. Made of high quality ABS material, it is durable, resistant to high temperatures and can be used for a long time. Adjustable compressor protection time, suitable for refrigeration industry such as refrigeration storage, refrigeration truck. Miniaturized design, small size, light weight, versatility, fast and reliable data reading. It has the functions of refrigeration, defrosting, temperature alarm, etc. It's easy to use. Specification: Condition: 100% Brand New Item Type: Temperature Controller Material: ABS Operating environment temperature: 0°C - 60°C Supply voltage: 220VAC ± 10% 50/60Hz Power consumption: less than 3W Temperature range: -50°C - 99°C Temperature control range -40°C - 50°C Storage temperature: -30°C -75°C Resolution: 1°C Temperature measurement accuracy: ± 1°C (when temperature is -40°C to +50°C, ±2°C to others) Compressor delay: 1minute Relay Contact Capacity: 10A/220VAC Relative humidity: 20% to 85% (non-condensing) Weight: approx. 226 g/8 oz. Mounting Hole Size: Approx. 71 x 29 mm/2.8 x 1.1 inches Size: approx. 75 x 34.5 x 85 mm/3.0 x 1.4 x 3.3 inches. Package list: 1 x temperature regulator. 1 x instruction manual 1 x Cable Package List