This controller is suitable for temperature control of medium and low temperature cold storage. It features temperature measurement, display, and control functions. Includes calibration, forced defrost, over-temperature alarm, and sensor failure alarm. One-key restore to factory default settings and parameter preset options. Features a touch button design with button lock function. Single sensor input: cabinet temperature sensor (Pb1). Dual control output: refrigeration and defrost. Technical specifications: - Temperature measurement range: -40°C to 99°C - Temperature control range: -40°C to 85°C - Accuracy: ±1°C at (-30°C to 50°C); ±2°C in other ranges - Resolution: 0.1°C - Power consumption: Less than 5W - Output capacity: Refrigeration: 10A/220VAC; Defrost: 10A/220VAC; Single buzzer alarm output - Power supply: 220VAC ±10%, 50/60Hz - Ambient temperature range: -10°C to 60°C - Probe type: 10K/25°C, B value 3435K - Material: Plastic - Color: Black Package contents: 1 x Thermostat Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement allows an error of +/- 1-3 cm.