The pocket-sized E-BOOSTER electronic pump delivers powerful performance in a compact form, reaching up to 120 psi. Easily achieve the perfect tire pressure with the built-in preset function just set and inflate. The clear color display ensures precise pressure readings, while the extended hose adds flexibility and convenience for a smoother inflation experience.* 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.* Clik Valve is a trademark of Ralf Bohle GmbH (Schwalbe)- HEAD: Compatible with Presta, Schrader, and Clik Valve- ACCURACY: 2 PSI- BATTERY: 7.4 V * 500 mAh- CHARGE / CHARGE TIME: USB-C, 5V 1.5A / 45 min (APPROX)- GAUGE: Full color display / 120 psi (8 bar)- MATERIAL: Engineering grade polymer, Alloy- SIZE: 5.4 x 3.4 x 7.2 cm- WEIGHT: 120 g- ADDED FEATURE: SIncludes storage bag, waterproof zipper bag, and extended hose