UPG 84039 Adventure Power Black/RedAll-In-One Jump-Start System with Built-In Air Compressor and Power Inverter 12 volt, 18 ampere-hour SLA battery capable of delivering 400 cranking amperes 250 PSI internal air compressor inflates most automobile tires in 10 minutes, pressure gauge and ON/OFF switch is thermally protected from overheating, strong fabric-covered output hose with clamp-on valve stem coupler Two 12 volt DC power sockets for powering 12 volt accessories and USB port 200 Watt DC/AC internal power inverter Heavy duty 400A insulated metal battery clamps, shortened clamp and reverse polarity audio alarms, ergonomic handle that doubles as protective housing for docked clamps, and adjustable light