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)
Usage of Car Jump Starter:
1) Connect the red battery clamp of jumper cable to the vehicle's positive (+) battery and connect the black to the negative (-) pole, 
2) Plug the cord of jumper cable into the jumper starter's socket, 
3) Start the vehicle. 
Cautions: 
 Do not reverse the operation sequence of jump starter! 
 Do not use jump starter to start vehicle if the number of battery indicators are less then 3 to protect the jump starter from damage! 
 Do remove the product from vehicle within 30 seconds after vehicle is started, or it may cause security incidents! 
 Do not connect and/or attach two clamps together, it may cause danger!