1.10000pa, utility model patented fan package, stronger suction. 2. Vortex air duct, double-layer filtration not let go of the sundries; detachable pinhole filter. 3. Upgraded overload protection safe not to hurt the car; double fuse protection and power-off protection for the overload short circuit. 4. With a 3-meter 12V vehicle power cord to achieve no dust everywhere. 5. A variety of nozzle designs easy to use with just one vacuum cleaner. 6. Large-capacity dust bucket with larger installation; detachable split-type dust removal for effortless cleaning.