Powerful Suction for Daily Car Cleaning: The upgraded car vacuum cleaners provide powerful cyclonic suction up to 7kPa to meet your different cleaning purposes. They are multifunctional devices that can clean anything from car seats to trunks, dust brought in by shoes, crumbs dropped from lunch, etc. Tips: If you accidentally suck in wet objects and water, you need to wipe them dry immediately to avoid damaging the motor.