1.Compact and lightweight: the inner and outer tube of our bicycle floor pump is made of aluminium alloy. Wear-resistant and lighter. You can pack mini bike pumps in your bag for any travel or leisure activity.2.With pressure gauge: the double valve is equipped with a competent pressure gauge that can accurately measure the pressure via the easy-to-read scale. The minimum change ratio of the barometer is 14.5 PSI (scale 1). When using certain products such as basketball (8.7 PSI), the barometer has not changed significantly. When inflating bicycles and motorcycles, the barometer is normal. High pressures up to 160 psi can inflate quickly and save time.3.Durable and Stable Foot Pedal Design Unlike conventional blowing and manual blowing, this portable bike inflator has a non-slip retractable pedal, a foldable plastic handle and a durable valve, which makes this bike inflator more stable and does not slip when inflated. Quick inflation, save time, can be used for a long time.4.Double valve head with thumb lock: Our bicycle tyre inflator pump has 2 in 1 of the air nozzle kit. double pump head help inflate different bikes without adapter or adjustment. Device thumb lock to ensure a tight seal without air leakage.5.Widely used: The universal inflator is compatible with universal Presta and Schrader valves and can be used for bicycles, electric cars, motorcycles, air cushions, swimming rings, basketball, football, lifebuoies, air cushions and inflatable toys for inflatable balls.