About this item·【4000A Jump Start Battery Pack】The 15,000mAh jump starter is equipped with a peak current of 4000A, enabling it to start 12V vehicles (8.0L gasoline/7.0L diesel engine, including hybrid power) in just 3 seconds. Even in low temperatures (-20°F to 70°F), it exhibits superior starting performance with just 80% battery capacity. This portable jump starter can initiate the vehicle up to 50 times and boasts a service life of over 1000 charge cycles.·【Built-In Smart Air Compressor】Smart preset & auto shut-off without repeated adjustment and check. It provide maximum pressure of 150 PSI and airflow of 8L/Min! Only need 8 mins to fully inflate a 205/55 R17 car tire or 3 min to refill 305/65 R18 car tire in daily situation. (Testing data base on a flat standard tire 185/65/R15R) It can be used for Car, Bicycle, Motorcycle, Basketball, Pool Toys using. DOES NOT SUPPORT heavy duty truck tires.·【4-IN-1 Multi-Function】Not only a car battery booster, a Tire Pumper, but also a portable power bank, a LED flashlight. Support fast charging/USB 3.0, adapt smart phones, tablets and other USB devices. Input:5V/1A, Output:12V/2A. The integrated 300-lumen LED flashlight has 4 lighting modes, constant lighting, flash and SOS,Warning.·【Smart Cordless Inflator with LCD Display】The car jumper starter supports smart preset & auto shut-off without repeated adjustment and check. With unique turbocharged 8L/Min (150 PSI) lasting 6 minutes, jump starter provides fast and proper inflation to various tires, balls, etc. Friendly design with real-time data reading, detachable extended air hose and 3 optional unit switching for covenience.·【WHAT YOU GET】 1 x Smart Air Pump, 1 x Air Tube(60cm/23.6in), 1 x Inflating Needle, 1 x Inflatable Nozzle, 1 x Pesta Valve, 1 x Emergency Start Power Clip, 1 x Type C Cable, 1 x User Manual. 18 months warranty and lifetime tech support. If you have any after-sales questions about jump starter, please feel free to contact us.Note: Please do not use the air pump function continuously over 6 minutes. When the tire battery compressor is seriously hot, please cool down for a few minutes before continuing to inflate the tire.