Features: It is a strong alligator clamp clip with EC5 Plug connector. Works with car jump starter, and fits for most car jump portable starters. Designed with prevent reverse charge module, it is very safe and convenient. It is easy to install and use. Just plug and play. It is the perfect replacement or spare set of cables. Specifications: Color: Black+Red Material: Metal + Plastic Input Voltage: 12V Size:(as show in the picture) Package Included: 1 x Jump Starter Cable The Jump Starter is for Reference Only, Not Included! Usage of Car Jump Starter: Connect the red battery clamp of jumper cable to the vehicles positive (+) battery and connect the black to the negative pole. Plug the cord of jumper cable into the jumper starters socket. Start the vehicle. Cautions: Red clamp connect to the positive(+) battery terminal, black clamp connect to the negative(-) battery terminal. Do remove the clamps in 30s after the vehicle started. Do not connect and/or attach two clamps together, it may cause danger! Keep this appliance away from children.