Get the benefit of 4 products at the of one. Firstly,it acts as a air compressor or tyre inflator featuring metal construction. Metallic nozzles (other compressors have plastic nozzles) comes with an air flow of 25 litres per minute,the best in all the compressors. Compressors which cost around has an air flow of 8-10 litres per minute,this pump has an air flow of 25 litres per minute,it inflates a normal 14-inch tyre in 1-2 minutes. Secondly it acts as a tyre gauge,you can always maintain accurate tyre pressure in all tyres including the Stepney in boot (long cable provided to reach until boot easily). 150 psi measurement meter installed. Thirdly it is a full flesh car vacuum cleaner with 100w heavy duty motor to give you a very heavy suction power,can easily extract all kinds of dirt s from your car,an additional extension tool is provided along with to reach minute corners of the car. Bright LED Light LED light make it possible to vacuum and inflate in the dark,which can help quickly find dirt in corners and avoid danger when inflating in the night. Oshotto products are well designed with taiwan technology keeping in mind about all small and big needs of its customers and there is a continuous endeavour to provide only quality products and no cheap quality at all. Usage: dry and wet. Easy use: 3 way easy to use switch,vacuum cleaner on-off- tyre inflator on.