Features: 55 Deg.C constant temperature drys the moisture quilts and kills the mites with UV light. 2500rpm/min soft roller brush not easily damages the fabric. Dual-vibration panel enables to release double vibration power to fast purify the dust and mites. 6500rpm/min motor creates 7000Pa suction cleans out dust, hair, mites and dander. HEPA filtration net + tower-type whirlwind dual filtration 2500mAh battery offers Max. 45min working time after fully charged.