Features Switch the modes between cool and heat Control temperature by setting the temperature set value and the difference value It supports temperature calibration function Refrigerating control output delay protection Alarm when temperature exceeds temperature limit or when sensor error Specification: Model: STC-1000 Voltage: 110-220VAC±10% Current: 10A Relay Contact Rating: 10A / 250VAC Temperature Measuring Range: -50℃~99℃ Resolution: 0.1℃ Accuracy: ±1℃(-50℃~70℃) Sensor Error Delay: 1 minute Power Consumption: ≤3W Sensor: NTC sensor (1pc) Relay Contact Capacity: Cool (10A/250VAC); Heat (10A/250VAC) Ambient Temperature: 0℃~60℃Storage Temperature: -30℃~75℃ Ambient Relative Humidity: 20~85%(No condensate) Sensor Length: 1m / 39.4inch (include the probe) Size: Approx. 8.5 x 7.5cm / 3.3 x 3in Weight: Approx. 110g / 3.9oz Package List: 1 x Temperature Controller with Sensor Package List