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. Widely used for aquariums, terrariums, zoos, paludarium, chicken incubator. Specifications: Model: STC-1000 Power Supply: 12V; 24V(Optional) Current: 10A Temperature Measuring Range: -50℃~99℃ Resolution: 0.1℃ Sensor Error Delay: 1 minute Accuracy: ±1℃(-50℃~70℃) Power Consumption: <3W Sensor: NTC sensor Sensor Length: About 2m (include the probe) Relay Contact Capacity: Cool (10A/250VAC); Heat (10A/250VAC) Ambient Temperature: 0℃~60℃ Storage Temperature: -30℃~75℃ Relative Humidity: 20~85% (No condensate) Size(L*W): 8.5*7.5cm/3.3*2.9in Weight: 131g(approx.) Package Includes: 1 x Thermostat with Sensor Note: Please allow small size error due to manual measurement. Thanks for your understanding. 1、Switch the modes between cool and heat. 2、Control temperature by setting the temperature set value and the difference value. 3、It supports temperature calibration function. 4、Refrigerating control output delay protection. 5、Alarm when temperature exceeds temperature limit or when sensor error.