1. 2X Faster Inflate Bike air pump uses the quality air pump, it can inflate your bike tire from 0 psi to 45 psi in less than 1 minute. Also, the bike tire inflator operates and reports with a precision of ±1PSI, and can autostop when reaches preset pressure. the portable bike pump is the companion on the road! 2. Fast Charging and Powerful 500mAh battery capacity Equipped with a TypeC USB charging cable, the Mini electric inflator pump can effortlessly inflate your tires when fully charged. Two ways for bicycle pump to fulfill the needs of cycling enthusiasts. 3. LCD Display Pressure Detection This bicycle tire pump features a easytoread LCD screen that displays more detailed values(maximum 150 PSI). Bike pump equipped with a tire pressure monitoring feature and sets your desired PSI(3 150PSI), which makes it easy to monitor the condition of your tires, no more worries of overinflating also ensuring safe use. 4. Compatible with Presta and Schrader Valves Mini tire pumps Featuring compatibility with both Schrader and Presta valves. The bike tire pump incorporates advanced into its industrial design, making it more userfriendly and convenient to adjust the inflation mode and pressure value at any time during use.