The CAT jumpstarter and air compressor combine to create a professional grade power station that provides the ultimate source of portable power. This set features a 1000 peak amp 12V jump starter with a 120 PSI air compressor with autostop functionality, an ultra bright LED area light, a reverse polarity alarm, an LCD digital readout screen, and four USB charging ports that can charge your personal electronics for up to 10 hours. It also features a heavy duty portable jump starter housing design that will not roll around in your vehicle.