Vehemo 400A Peak Current Car Jump Starter 11000mAh with Built-in Escape Hammer, Bright LED Flashlight EMERGENCY CAR STARTED: jump start your vehicle about 15-20 times with 400 amps of peak current and heavy duty clamps and cables Emergency Features: emergency hammer will be a useful device used in vehicles or buildings to break through window glass in an emergency. LED flashlight has ultra-bright, SOS and strobe modes PORTABLE USB CHARGER: high-capacity 11000mAh, charge mobile phone, ipad, PSP, MP3/MP4, and other digital cameras etc AIR COMPRESSOR FUNCTION: high capacity 11000mAh can supply power for your air compressor; with built-in air compressor output, enough to pump 4 tires for most vehicle and make sure the safety of car tires while traveling EASY TO CARRY : it is easy to carry with its compact size when you outside.