E-Booster digital electric pump with an innovative design that allows you to preset the pressure and with just a simple press you can easily achieve the desired tire inflation. Fits both Presta and Schrader valves. The included storage bag makes it easy to carry wherever you go.Pre-set pressure pre-select function allows for easy and accurate inflation results.Insulated silicone case provides overheat protection during inflationExtended hose prevents valves from overheatingUSB-C charging