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 cableHEAD: 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