-Safety protection, overheating power off, overload protection, flame retardant material, short circuit protection, dumping power off, anti-scalding grille -3 seconds to heat, no light to protect the eyes, three-speed temperature adjustment -Circulating convection air, alloy heating wire -Dual-purpose cold and hot, bass noise reduction -Using PTC semiconductor to generate heat, the heating effect is remarkable -Large inclination angle 7-blade fan, intensive cutting air, rapid circulation of wind -Circulating heating in the house, wide-angle heating without drying -Touch screen buttons, easy to operate -High temperature resistant air outlet, fence design -Top portable handle, non-slip stable base