Refrigeration, automatic timing defrost, manual defrost, cancel defrost function, temperature correction, delay protection, over temperature and fault alarm.&THT assembly, small size, light weight and strong versatility. Adopt imported well-known brand single-chip microcomputer, optimized program design, strong anti-interference ability, stable and reliable. 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. supply voltage: 220VAC; consumption: Less than 3W;Temperature display range: -40-+50;Measurement accuracy: 1Display 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 cycle: 0-99 hours adjustable;Defrost time: 0-99 minutes adjustable;Boot delay: 3 minutesColour:As shownMaterial: ABS Package Contents:1 x Temperature ControllerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.