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. 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: