This air compressor is a 12-volt unit that comes with a rechargeable battery. This unit powers from either the rechargeable battery or directly from your car’s cigarette lighter outlet. The battery includes a charging base that may be charged either from home (wall outlet) or from the cigarette lighter. It will inflate a passenger car tire in 1 minute (25-35 PSI). The durable nylon carrying bag is included to store and transport the unit. The standard needle adapters are included to inflate sports balls and additional items. It is convenient, easy to use and perfect for motorcycles, ATVs, Cars, SUV and light truck use.