V-shaped design waterproof tank, heat circulation and convection, bottom heat dissipation design, can effectively extend the service life With overheat protection function, when the internal temperature of the machine exceeds 70℃, the machine automatically stops heating. When the temperature exceeds 105℃, the internal fuse of the machine is permanently disconnected High quality PPS fireproof material, high temperature resistance, high flame retardant, no deformation, wear resistance, long-term use Mechanical knob design, support 180 minutes timing, can easily set the working time, suitable for daily use at home It is equipped with large air outlet to ensure high efficiency and continuity of thermal energy, uniform air volume and constant temperature