Usage Tips:Features:This booster cable with clamps is a strong alligator clamp clip with EC5 Plug connector. Designed with prevent reverse charge module, it is very safe and convenient. It works with car jump starter, and fits for most car jump portable starters. It is easy to install and use. Just plug and play. It is the perfect replacement or spare set of cables. Specifications:Material: Metal, PlasticColor: As Picture ShownRated Voltage: 30VRated Current: 160A Reverse Voltage: 30V(the voltage is less than 20V when the car is starting or the clamps are connected)Wire: 10 AWG Silicone WirePlug: EC5 Plastic ShellItem Quantity: 1 pcSize: As Picture ShownPackage Weight: approx. 130gUsage of Car Jump Starter:Connect the red battery clamp of jumper cable to the vehicle's positive (+) battery and connect the black to the negative pole. Plug the cord of jumper cable into the jumper starter's socket. Start the vehicle. Cautions:Do not reverse the operation sequence of the jump starter. Do not use jump starter to start vehicle if the number of battery indicators are less than 3 to protect the jump starter from damage. Do remove the product from the vehicle within 30 seconds after the vehicle started,or it may cause security incidents. Do not connect and/or attach two clamps together, it may cause danger! Keep this appliance away from children. Package Included:1 x Booster Cable.