Description: Using 0.75mm pure copper wire, it is strong, crush resistant and durable. Basic size. It can be used for all kinds of DC 12V/24V vehicles, don't need to worry about overheat problems. Designed for safety; built-in fused connection for protection against short circuit. Made of eco-friendly heat resisted material.Resistant to high current, high temperature;wear-resisting. Lightweight and easy to install.Red wire connected to the positive power supply, the black wire to the negative power. Specification: Material: PVC + Copper Wire Color: Black Diameter?21*27*34.4mm/0.82*1.06*1.35inch Wire Length:0.3m/0.98feet Output Voltage: 24V Input Voltage: 12-24V Weight: 40g Package Includes: 1 Piece Female Cigarette Lighter