The Stanley 500-Amp Battery Jump Starter with Compressor offers a convenient, portableway to jump-start your battery without the need of another vehicle. Simply attach the clamps and if connected improperly the alarm will sound, alerting you to switch the clamps before turning on the unit. With enough power to jump-start your car, truck, motorcycle, boat, RV or tractor, the Stanley 500-Amp Battery Jump Starter with Compressor is ideal for every day use or roadside emergencies.1000 Peak Battery Amps / 500 Amp Instant Starting PowerIncludes a 120 PSI air compressor, DC & USB charging plugs and a high powered LED light that rotates 270 degreesConsists of reverse polarity alarm for safety along with a top-mounted rubber molded handle for easy gripHeavy duty metal clamps and Number 6 AWG cablesContains power/charge indicator and audible & visual reverse polarity alarmItem is Hazmat and non-returnableThis product can only be shipped within the 48 contiguous states.FREE! Sellers: Add a FREE map to your listings. FREE!