Features： 1、[Constant Temperature] The thermostat is a powerful programmable temperature controller designed to maintain the temperature required for the devices. 2、[Heating and Cooling] The thermostat has two relay outputs, one for heating, where we can connect a heater and the other for cold output, where we can connect a fan or any other cooling element. 3、[Wide Range] The measurement and control temperature range of this digital display thermostat is ‑50℃ to +99℃, ensuring a wide range of uses. 4、[Flame Retardant] The temperature controller adopts ABS flame retardant plastic shell, which is very safe and reliable in use. 5、[Multi Purpose] The temperature controller is very suitable for use in household or industrial projects, such as incubators, greenhouses, aquariums, glass containers, etc. Specification： Item Type: Microcomputer Thermostat Shell Material: ABS Flame Retardant Plastic Use: Thermostat Size: Approx. 75x34.5x85mm/3x1.4x3.3in Power Supply: 110-220VAC ±10%, 50/60Hz Measurement and Control Temperature Range: -50℃ to +99℃ Relative Humidity: 20-85% (no condensation) Resolution: 0.1℃ Accuracy: ±1℃ (-50℃ to 70℃) Overall Power Consumption: <3W Relay Output Contact Capacity: Heating: 10A 250VAC, cooling: 10A 250VCA Sensor H Type: Imported NTC sensor, wire length 1m Hole Size: Approx. 71x29mm/2.8x1.1in Package List： 1 x Microcomputer Thermostat