Description Small and portable easy to master with one hand15 seconds rapid inflation preset tire pressure to stop when full entering a new period of rapid inflationPreset tire pressure stop immediately after charging no personnel are required to take care of it and it is convenient to useAcoustic noise reduction is adopted When in use the sound is low and will not make a loud noiseIt has its own night lighting function to inflate in case of emergencies The metal mouth is added with tough braided thread which is not easy to fall off when in use Specification Brand NameSUITUNameInflation PumpModel st 5512MaterialAluminum AlloySize100x80x30mmDial DisplayDigital DisplayBattery Capacity2 2000mAH Lithium BatteriesLSD DisplayMaximum Power84wWorking Voltage7 4vWorking Current≤ 6APiston Diameter15mmMaximum Air Pressure120psi ± 1 5psi Air Volume18L MinMotor16500 ± 500 rpm Voltage 7 4v Load Life 150 HoursOvercharge Protection8 6vOvercurrent Protection11AOver Discharge Protection4 8VNoiseLess Than 75dbCharging TimeAbout 3 5 HoursService Time30minUsb Cable Input Voltage5VLength Of Air Hose15cmPackage Included 1Xpump4Xnozzles1Xtube1Xmanual1XUSB cable1Xstorage bag