Features1Electric pump with sensitive and intuitive mechanical dial, supporting realtime display of tire pressure. 2Builtin highstrength motor, can provide strong horsepower, rapid air outlet for fast pressure increase. 3Press lightly to immediately inflate, simple 4 steps to pump up effortlessly, convenient to use. 4CNC aluminum alloy shell, has high reliability and not easy to rust, durable and sturdy to use. 5AmericanFrench universal gas nozzles can be easily and quickly converted, and support USB charging. 6Designed with a storage bracket to be loaded with the bike, can be installed in the bottle cage hole.SpecificationItem Type: Electric Bike Tire PumpMaterial: CNC Aluminum Alloy + PlasticGas Nozzle: American and French general gas nozzle, free removalCharging: Type-C universal interfaceInput Voltage: 5VBattery Capacity: 500mAhBattery Type: Lithium Battery(Built-In)Battery Model: 2Pcs x 18650 BatteryCharging Time: About 2HDiameter: Approx. 33mm/1.3inLength: Approx. 29.3cm/11.5inTire Pressure: 120psiOperating Environment: Using Temperature: 0-45, Operating Environment Temperature -10-45How to Use:1. Long press the button for 3s to turn on2. Click the button to start pumping up3. Reach the right tire pressure and click the button to shut down4. Long press the button for 3s to shut downPackage List1 x Bicycle Pump1 x USB Charging Cable1 x Manual