Topeak E-Booster Digital Bicycle Pump Introducing the all-new E-Booster Digital. Preset the easy to read digital gauge and effortlessly achieve your desired tyre pressure with the press of a button. 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 Topeak E-Booster Digital Bicycle Pump Features- HEAD: SmartHead®, fits Presta & Schrader valves ACCURACY: +/-2 PSI BATTERY: 7.4 V * 600 mAh CHARGE / CHARGE TIME: USB-C 5V 1.5A / 45 min (APPROX) * For TPU inner tubes with resin valves, be sure to use an extender hose to prevent the valve from overheating and melting.* If the tire already has air pressure, please activate the inflation switch before connecting the valve. GAUGE / MAX PRESSURE: Digital, 120 psi / 8 bar MATERIAL: Aluminum / Engineering grade polymer SIZE: 5.9 x 3.5 x 8.6 cm WEIGHT: 162 g