Inflate 4 x 29"" MTB tyres or 3 x 700cx28mm Road tyres in seconds on a single charge.With a max pressure of 120psi/8 bar and accurate to within 2psi, the E-Booster can be used on a wide range of bikes. Equipped with the patented SmartHead, it supports Presta and Schrader valves for added convenience.Comes with a hose extender, silicone protective sleeve, storage bag and USB C charging cable.Key Features:Head: SmartHead®, fits Presta & Schrader valvesAccuracy: +/-2 PSIBattery: 7.4 V * 600 mAhCharge/Charge Time: USB-C 5V 1.5A / 45 min (APPROX)Gauge/Max Pressure: Digital, 120 psi / 8 barMaterial: Aluminum / Engineering grade polymerSize: 5.9 x 3.5 x 8.6 cmWeight: 162 g