* Two-speed wind, two-speed temperature control. * Long-term use of power will not be reduced, constant temperature control system, long life. * Waterproof, Dust-proof, Carbon-free Brush. * Remove self-adhesive stickers or decorations. * Lift rusted or tight metal screws. * Melt frozen transmission pipeline, lock or padlock. * Soften clingage or replace old mill. * Shrink polyethylene materials connected with metals. * Soften welding material.