Description Features: Powerful emergency start with heavy-duty cables and clamps LED indicator to check battery status High-pressure air compressor for inflating tires and sports equipment with easy-to-read analog pressure gauge Multifunctional mobile power supply, a DC accessory socket used to power DC appliances, and can charge mobile phones, IPADs, tablets and other digital devices Two USB power ports for charging mobile devices Bright, long-lasting LED work light 12v 8Ah sealed lead-acid battery with long service life and can carry the strong current when starting the car Equipped with overcharge protection, voltage stabilization protection, constant current protection, short circuit protection, over-discharge protection, anti-reverse protection, temperature protection, and magnetic field protection Specifications; Peak Amps; 450A Cranking Amps; 150A Jumper cables; 8 AWG Air compressor; 260 PSI, analog gauge DC socket; 12V, 11A max, 132W USB power port [2]; One 5V, 1000mA, one 5V, 2100mA Work light; 5-LED Charging time [AC]; 20hrs Charging time [DC]; 12hrs AC charging adapter output; 15V, 500mA DC Package weight; 3600g Package dimensions; l=31.8cm x h=25cm x w=19cm What's in the box 1 x Portable 12V 450 AMP Battery Starter With Air Compressor