This a portable lithium-ion battery jump starter pack that delivers 2,000-Ampere for jump starting a dead battery in seconds. It features a patented safety technology that provides spark-proof connections and reverse polarity protection making safe and easy for anyone to use. It's a powerful battery booster that doubles as a portable power source for recharging USB devices, like a smartphone, tablet and more, or powering 12-Volt devices, like a tire inflator, power inverter and much more. Designed for a car, boat, RV, truck and more with gas engines up to 8 Liters, and diesel engines up to 6 Liters. A rechargeable lithium-powered LED flashlight with seven light modes, including SOS and Emergency Strobe. With multiple luminosity settings, it is immediately adaptable to a variety of situations. Using it's powerful wash light will help you see your engine, help you change a tire at night, or even warn oncoming traffic when you are in need of roadside assistance.