Converts 12 volt DC to 115 volt AC. Has two NEMA 5-15 USA AC outlets and 5 volt 2 amp USB ports. Built-in, high-speed cooling fans help keep the unit cool. On/off switch and LED Indicator. Heavy duty battery cables connect directly to vehicle battery. Thermal protection, surge protection and low battery alarm. Contains (1) power converter, (1) set battery cables (1) ground wire (1) owner's manual.