No strength required for pumping air as it is all electronic & is powered directly from your car battery.
Description:Effortless and Easy inflation of tires ,balls and rubber rafts.Time saving as compared to mechanical pump.Compact and easy to store in your car. 300cm long wire can reach all your tires.Pressure gauge with maximum pressure of 250-300 psi. Includes multipurpose adapters. Air flow of about 8-10L/min.