Portable air compressor pump have too many experiences with pesky flat car tire on the road, and far away from the nearest gas station want to get rid of this awkward situation Woscher tyre inflator is your best emergency helper- a must-have for every car owner. Features: 1.Compact and easy-to-storage compact size with special storage design, really convenient to carry and use. 2.New digital led display brand-new digital led display screen provides you with most accurate pressure value, smart and visualization style. 3.Auto shutoff function automatically stop inflating when reaching the default pressure value. 4.Multiple air nozzle comes with 2 different air nozzles, not only for car tire, also suitable for bike, motorcycle, balls, swimming wings and other inflatables. 5.Faster inflation only takes about 2 min to inflate 195/55r15 car tire from 0 to 35 psi. Specification: Product power: 120w power input: Dc 12v maximum pressure: >300psi net weight: 0.85kg dimension: 201 x 170 x 75 mm power cord length: 3 meter+100mm note: 1.Each use of the tyre inflator should not exceed 20 minutes. 2.Please let the device cool down for at least 20 min after each usage. 3.Remember manually turn it off when the desired pressure value is reached.