Product Specification Specific parameters Maximum PSI 150 Battery Capacity 7.4v 500mAh Number of Inflations per Charge 1（0-100psi） Material Aluminum alloy + ABS + Acrylic Auto Shutoff Feature √ Preset Pressure Settings √ Inflation Time 120-150s（100psi） Display Screen Type Led Charging Port Type Type-C 5V 1.5A Weight 165g Dimensions 90*51*33mm Charging Time 20min Compact and Lightweight Design: The ROCKBROS mini electric bike pump is exceptionally small and lightweight. It fits easily into a pocket or attaches to a backpack, making it convenient to inflate your tires anytime, anywhere. Accurate Pressure Display: With a maximum air pressure of 150 PSI and a clear display, our pump allows precise monitoring of tire pressure and lets you set your desired PSI value. It takes only about 60 seconds to reach 60 PSI, meeting various needs. Compatible with Presta and Schrader Valves: Supporting both Schrader and Presta valves, our pump is a versatile all-in-one solution. Its compact design does not compromise its functionality, making it ideal for cycling enthusiasts and easy to share with fellow riders. Small but Powerful: With a single charge, it can effortlessly inflate 2-3 700*25C tires from 0 to 80 PSI, preparing you for longer rides. Durable and Safe: Designed for frequent use, our pump can inflate over 200 tires while ensuring portability and safety.