Feature: 1. 2 Modes Adjustable: This thermostat supports switching between cooling mode and heating mode. You can make adjustments according to your actual needs. 2. Working Specifications: The temperature of this thermostat is controlled by setting the temperature set point and difference value, you are able to make accurate adjustments. 3. Alarm Function: When the temperature exceeds the temperature limit or the sensor has an error, the alarm function is supported to ensure safety. 4. ABS Shell: Using excellent ABS material, the shell of this thermostat possesses impact resistance, scratch resistance, environmentally friendly. 5. Wide Application: This thermostat is widely used for aquarium, incubator, seafood machine, etc. You can also use the thermostat for other use. Specification: Item Type: Thermostat Switch Product Material: ABS Combustion Plastic Shell Product Size: Approx. 7.5 x 8.5 x 3.4cm / 3 x 3.3 x 1.3in Product Color: Black Voltage: 110V-220V (wide voltage) Output Capacity: 10A, 250VAC Product Mode: STC 1000 Temperature Control Range: - 50℃ to 99℃ Power Consumption of the Whole Machine: Less than 3W Temperature Measurement Accuracy: Plus or minus 1℃ (- 50℃ to 70℃) Resolution: 0.1 ℃ Ambient Temperature: 0 to 60 ℃ Relative Humidity: 20 to 85% (no condensation). Package List: 1 x Thermostat Switch1 x Link Line