1 Each column independent heating, 300 watts / column structure independent chimney convection, hot air circulation faster more powerful upgrade room 2 all-aluminum structure, good heat dissipation, strong corrosion resistance, long-term use of deformation, discoloration 3. Plate microcrystalline installed electric film heating plate heating performance increase 30% efficient and durable, long life of more than 20 years 4. Control: electronic sensor touch screen panel, Pioneer stylish, intelligent remote control, convenient 5. protection methods: cross-border series Each column independent overtemperature protection, anti coverage safer