Made from durable, high-performance copper material, This practical connect wire that maintains its flexibility in cold weather environments. Not for motorbike and vehicle, also it can be used in case the lead wire of your Solar Panel battery charger or product is not long enough. Connect the Extension to the lead wire and the solar product. Feature - Color: As Shown. - Material: Insulation Material+Copper. - Size: 25 x 4.5 x 4.5cm. - Wire diameter: 3.5*7mm - Input interface: 4.5mm assembled male and female terminals (4 screw holes with waterproof cover) - Output interface specification: 5mm - Adopt source material, practical and durable, designed. - Fit for: battery/Solar Panel/Motorcycle connect, for Automotive, , marine, RV, and truck applications. - Hard-mount the eyelets for quick and convenient charging or jump starting, lie-flat design for seamless installations. - Made from durable, heat stabilized material that maintains its flexibility in cold weather environments. - Warm Tip: Dear buyer, Due to lighting effect,monitor’s brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you! Package list: 1 x SAE Circuit Connect Cable