The battery charges in under an hour via a USB-C port.Adapters for Presta, Schrader, and needle valves are included.Displays pressure in PSI, bar, and kPa.Inflation pressure: 2–120 PSI.Net weight: 4.7 oz. (133 g).Dimensions: 80 x 45 x 32 mm (3.15 x 1.77 x 1.26 in).Replaces up to four 16 g CO₂ cartridges on a single charge.Trek Air Rush Electric PumpAir Rush is a compact and innovative electric pump that makes puncture repairs and tire pressure adjustments easier than ever. Simply plug in the pump, press a button, and keep an eye on the pressure gauge while inflating your tires, before or during your ride. The color LED display lets you check the pressure in real time and set the desired value for the perfect adjustment. No more fuss with mini pumps or CO2 cartridges.Specifications:Pump typeElectricalValvePresta/SchraderType of pressure gaugeDigitalMaximum pressure120psiMounting to the frameNoDimensions80 x 45 x 32mm (3.2″ x 1.8″ x 1.3″)Connection lengthNot applicableComprehendsBall needle/nozzleWeight133g