Quantity: One Piece Model: STC-3008 Power Supply: 110-220 VAC ± 10% Measurement and Control Temperature Range: -55℃~+120℃ Resolution: 0.1 Accuracy: ±1℃ Product Size: 75mm * 85mm * 35mm Relay Output Contact Capacity: Heating: 10A/240VAC, Cooling: 10A/240VAC Sensor Type H: Imported NTC sensor, Line Length 1 Meter Shell Material: Gray ABS Flame-Retardant Plastic Shell Dual Temperature Controller: CE Certified. The STC 3008 digital temperature controller can control two appliances simultaneously with independent sensors and outputs. Power supply: AC 110V ~ 220V. Output relay contact capacity: max 10A Heating and cooling functions: Cooling and heating modes can be switched automatically. Temperature control range: -50~120℃, measuring accuracy: ±0.1℃, temperature control accuracy: ±1℃. It also supports temperature calibration (-30℃ ~ 30℃). EASY TO PROGRAM: This 220V digital temperature controller controls the operation of the appliance by setting the start temperature and stop temperature. You can set a delayed start time to protect your cooling equipment and low/high temperature alarms for safe use. More functions: LED display. Dual NTC 10K sensor probe. Temperature calibration. Refrigeration control output delay protection. Alarm when the temperature exceeds the set limit or sensor error. All set parameters are saved when power off. Application: This temperature control thermostat can be used for temperature control of incubators, glass containers, freezers, refrigerators, heaters, refrigerators, home brewing, breeding boxes, fermentation, industrial equipment and any other systems.Good quality product