ITEM NAME:Car EC5 Plug Jumper Cable Alligator Clamp Clip Connector Emergency Jump Starter Car EC5 Plug Booster Cable Alligator Clamp Clip Connector Battery Jumper Jump Starter SPECIFICATIONS.Plug: EC5 Plastic Shell. Plug the cord of jumper cable into the jumper starter's socket. Connect the red battery clamp of jumper cable to the vehicle's positive (+) battery and connect the black to the (-) negative pole.