The flator pump can used in the boat, nice design, with good quality. Max input air:500L/min Air pressure:10KPa - 80KPa Rated voltage: DC12V Pressure adjusment:5KPa/Grade Continuous working time:≥1HAir intake pipe diameter:20.5mmAir intake pipe length:1.8mWire length:3mBattery connector:Battery chipNoise level:67dB/7mWarranty period: 12months