4 main function as following,
1) 12V air compressor as car tire inflator for most of cars, bicycles, motorcycles, vans, air bed, air boat, etc
2) 12V car vacuum cleaner to suck rind, dust that makes your car clean
3) Emergency Light
4) Pressure check

Typical characters as following,
1) Stylish design;
2) Powered by 3m cord with car cigarette lighter
3) hight quality HEPA filter
4) 72Watt strong vacuum motor
5) classical 22mm compressor core suits to most of tyres.
6) Built in Digital air gauge with 4 units, auto stop at presetting pressure;
7) Super bright LED light source;
8) many accessories;
9) Packing: 61*42*33.5CM, 8PCS,13/12KG