[Compatible with 20V MAX Batteries]The jumper cables are compatible with 20V MAX batteries. When your car battery dies and strands you, it can be someone to help start car. You can conveniently start car with power of an available cordless Specifications: 8-gauge booster battery jumper cable for starting bad or weak batteries. Perfect for trucks, SUVs, full-size cars, midsize cars, and compact/compact cars Instructions for use: Connect red battery clamp of jumper cable to positive terminal (+) of vehicle and black clamp to negative terminal (-). Insert battery into adapter and make sure it is securely locked. Try to start car. After successfully starting car, disconnect connection between car battery and Note: It is best if battery is above 50%. If first ignition fails, wait a few minutes and try ignition again. If ignition is successful, remove cable within . The jumper cable has an insulated handle to prevent and protect user's safety Colour:yellow Material:ABS Package Contents: 1 * Car auxiliary Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.