Size: 190mm*139mm*106mm 1PTC ceramic heating, rapid heating 2: 500W power dormitory, office available 3: one-button startup, convenient and quick 4: high temperature protection, flame retardant ABS material is selected. 5: multiple protection:fire retardant shell, the fuselage is made of frame retardant material, which gives you a strict protection;temperature control protection. High temperature overheat protection, automatic power-off due to abnormal heating 6: large angle air supply, wide range of comfort and warmth 7: small size, it will not occupy your space. Just put it aside, it will not grab position with other items. 8: 3 secondsrapid heating speed. 9: Through the intelligent constant temperature system, the air inlet and outlet system is controlled work cooperatively with the heating element and the fan. Let the temperature be constant and let you feel comfortable