PTC heat generator, long lasting high temperature! Precise temperature control, to prevent over heating ! 360 degree all rounded heat! Vertical and horizontal air-holes in cabinet to ensure an even distribution of heat! Heat resistant tough surface: smooth finishing touch, resistant to high temperatures and compressed to make sure the cabinet is not easily breakable! High quality cable: can withstand 20KG strength in pulling to prevent disconnection during use! Function; drying your shoes! Easy to carry,it can be placed in various backpacks and suitcases.