HK Easy-Start Car Emergency Jump Starter - No Bulky Cables! Portably emergency power supply for cars and trucks you use without even opening the hood Just plug marked ends into cigarette lighters of jumper vehicle and one with dead battery No hard-to-handle booster cables, no need to worry about which is positive/negative battery post Charges battery safely through vehicles' wiring system - no mechanical/electrical skills needed LED test/charge indicator, 15-ft length easily reaches car-to-car; just 9 oz - stores in glove box