The car battery charger jump starter build-in LED light with 3 modes:Flashlight,Strobe,SOS,which comes in handy in case of an emergency and outdoor adventures.LCD display reads the internal battery status timely and 0.1PSI accuracy support to follow the inflating process clearly in 4 optional UNITs.It can start the car with up to 6L Gas & 3L diesel engines in 1- 3 seconds about 40 times on a full-charge.It built-in 150PSI high flow air compressor,supports tire-pressure detection,Only need 6 mins to fully Inflating the 195/65/R15 car tire from 0 to 35PSI.