Multifunctional Jump Starter: Not just a car jump starter for starting the dead batteries within a few seconds, this also can used as an air compressor for pumping, power station for charging your devices and Led light for the dark. Come with an extra safety hammer($4.99) for emergency situation. Jump Starter with Air Compressor: The battery jump starter equipped with 260 PSI high flow air compressor and pressure gauge,fill a regular car tire from 0 PSI to 36 PSI in 5 minutes. 3 additional nozzles can meet your different needs,suitable for cars, bikes,balls and other inflatables Power Station & LED Light: Battery jump starter has one USB outlet(5V,2.1A) can charge mobile phone ,tablet and digital cameras. The 12V/11A DC Output also can power other devices such as car fridges, car vacuum cleaners. And built-in LED Light, apply for camping, outdoors, indoors, travel, etc. Safe Sealed Lead Acid Jump Starter: Our car battery charger jump starter system has short-circuit protection, over-temperature protection, reverse connection protection, over-current protection, overcharge protection, over-voltage protection, magnetic field protection to ensure the safety of the user in all modes of operation and to protect the unit from damage. Extreme Temperature Adaptability: Thanks to the super stable Lead-Acid Battery, this jump starter can withstand challenging temperatures (-4℉~140℉), no fear of freezing winter or scorching summer.Just contact us if you have any problems with your car battery jump starter & air compressor, we offer a 1-year warranty and lifetime technical support. Sealed Lead Acid Car Battery Charger Jump Starter