Topeak E-Booster Digital e-Pump with Gauge Pump up the Jam The E-Booster Digital e-Pump lets you preset your target pressure and, with just a simple press, achieve accurate tire inflation in seconds. A powerful, reliable pump that delivers up to 80 PSI in just 50 seconds, it automatically stops once your desired pressure is reached and shuts off to save battery power when not in use. Features Pre-set pressure functionallows for easy, accurate inflation results with a single press Delivers up to 80 PSI in just 50 secondsfor fast, powerful inflation Auto-stop functionhalts inflation once the desired pressure is reached Auto-off functionconserves battery power when not in use Compatible with both Presta and Schrader valveswith the flip of a switch Accurate within 2 PSIand recharges to full in just 1 hour Insulated silicone caseprovides overheat protection during inflation Includes a storage bagfor easy portability SPECIFICATIONSIntended Use Road, Gravel, MTB, E-Bike Max Pressure120 PSIInflation Speed Up to 80 PSI in 50 seconds Accuracy 2 PSIValve Compatibility Presta/Schrader Charge Time1 hour Weight172g | Topeak | E-Booster Digital E-Pump With Gauge Black