1. 6 modes of blowing and suction nozzles for all-purpose cleaning of the whole car 2. Wireless and flexible dust removal can easily reach every corner of and refuse to "drag wire" without restraint to of hidden corners 3. 4000mAh large-capacity lithium battery lasts for 30 minutes. 4000mAh large battery can be used continuously for 40 minutes without plugging in a hole without damaging the car battery. 4. Second-speed exhaust is easy and fast, and it is easy to for 3 seconds to exhaust air without an air pump 5. Noise-cancelling design for school entrance, bass operation does not disturb sleep, DC air duct operation is more stable, noise reduction and upgrade, noise reduction by 70% 6. The HEPA filter is washable and can prevent dust adsorption when used. The filter maintains a large suction force and does not need to be replaced for repeated use. 360° cleaning and washing Type: Handheld Rated voltage: 7.4V Rated input power: 90W Vacuum suction: 9000Pa (mbar) Power supply mode: