DescrtionIt can help you start your car when your car won't start beca of lack of power.1000A is suitable for cars with a dispment below 3.0L, suitable for ordinary cars, mini cars, SUVs, etc.2000A is also suitable for vehicles above 3.0L, including trucks, vehicles, large paenger cars, trucks, etc.Package2000A Tote Bag1000A ObagHow To Connect(1) First, the Red wire clamp "resd the car," the Red positive battery.(2) the Red wire clamp "res vehicle," the Red positive battery(3) the black wire clamp "resd the car," the black negative battery.(4) Then the black wire clamp in the "res vehicle" black negative battery.(5) Start the "res vehicle" of the engine, and then start "resd the car," of the engine. If you find resd car still does not start,Please check if the metal contact parts are bad.When finished start the engine, still need to take in order to start removing the line of fire, or they may ca a short circuit.Line removal procedure is as follows(1) First, the "resd car" black wire removed.(2) then "res vehicle" black wire removed.(3) and then removed "res vehicle" red wire.(4) Finally, the "resd car" red wire removed.