l Stylish and beautiful artistic design appearance, small and easy to carry, does not take up space, the desktop gives you warmth, does not disturb your work, reading or writing, and the beautiful appearance makes you gives you a good mood My warmth is only for you. Brings you just the right temperature, no more no less, neither too cold nor too hot l Silent and silent unit. Careful design of air ducts, with a sound level of less than 45 decibels, to accompany you quietly l Low power consumption, high efficiency, no energy consumption for heat generation. Cross-flow aluminum fan wheel, full side air outlet, consider each airflow, improve air supply efficiency, tested, 10 cubic space machine Working for one hour , the temperature rise can reach about 5 degrees. PTC ceramic heating elements for fast and reliable heat up. A 30-second delayed shutdown, unique thermal fuse, and resettable temperature control provide you with multiple safety precautions. Instructions Smart PCBA panel combined with mechanical buttons, easy to use To turn on the device, plug the power cord into an electrical outlet and press the power button. Each time the button is pressed, the mode changes once Fan/heater/off switch. Fan: Power indicator is green Heating air: Operation control indicator is red Turn off: Power indicator is flashing red for 30 seconds, then turns off. When the internal temperature exceeds 60 degrees, the device will automatically shut down, reduce the temperature, then automatically continue to operate. If the internal temperature exceeds 90 degrees, the unique thermal protection will be triggered and the device will stop working. Double safety protection, anti-pressure and explosion-proof.