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. Application: aquarium, terrariums, zoo, paludarium, chicken incubator. Specification: Model: STC-1000 Voltage: 110-220VAC10%, 50Hz/60Hz 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 1Switch the modes between cool and heat 2Control temperature by setting the temperature set value and the difference value 3It supports temperature calibration function 4Refrigerating control output delay protection 5Alarm when temperature exceeds temperature limit or when sensor error