E-Booster Digital Mini E PumpThe 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 functionjust 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