Refrigeration, automatic timing defrost, manual defrost, cancel defrost function, temperature correction, delay protection, over temperature and fault alarm. & assembly, small size, light weight and strong versatility. Adopt -known brand single-chip microcomputer, optimized design, strong anti-interference , stable and . It has multiple functions and a wide range of applications. The refrigeration industry can be used for temperature control in refrigerators, freezers, ocean pools and other occasions, and can also be used in other occasions where automatic temperature control is required. Power supply voltage: 220VAC; Power consumption: Less than 3W; Temperature display range: -40-+50; Measurement accuracy: 1 Display resolution: 1; Sensor: NTC, sheath lead; Compressor output contact capacity: 10A/240VAC; Defrost output contact capacity: 10A/240VAC; Alarm output: buzzer + LED flashing; Temperature correction range: 5; Temperature overrun alarm adjustment range: 0-20; Defrost : 0-99 hours adjustable; Defrost time: 0-99 minutes adjustable; delay: 3 minutes Colour:As shown Material: ABS Package Contents: 1 x Temperature Controller Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.