'Egromically designed comfortable handle,With Precision pressure gauge, easy to inflate, 160Psi Max'' ''Durable and stable: Inner and outer tubes are made of high-strength Stainless Steel Process, which is more wear-resistant and has a smooth surface.And the rubber tube of the portable air pump is detachable, frost-proof and high temperature resistance'' ''For Presta and Schrader Valves :the tire pump can inflate for bicycles'' ''portable, easy to carry'' '':We are committed to provide excellent customer service with our UNCONDITIONAL Free Replacement or Money back for a period of 5 year''