Specification: Origin: Mainland China Length specification:20m Interface type: M12 aviation plug 4Pin male to 4Pin female Trigger line length: 20cm Product material: The wire is 4.5mm PVC sheath, the conductor is 4-core oxygen-free copper conductor, The plug is M12-4PIN male and female, and the female head has a locking screw Product use: This 4pin interface is widely used for reversing camera connection of container trucks, buses, and small trucks. The 4 lengths are convenient for various cars. The 4pin interface supports video and audio signal transmission. Packing size: 210*160*60mm Weight: 460g (20m) Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Included: 1 x Backup Camera Cable 1. Durable Pure Copper Shielded Cable: The Backup Camera Cable features an upgraded 4.5mm thick pure copper 4-pin shielded cable, designed for longer lifespan under various weather conditions, ensuring reliable performance. 2. Waterproof and Anti-Vibration Design: The 4pin Video Power Aviation Extension Wire comes with a waterproof rubber cover and stainless steel screws for secure fastening, providing excellent anti-vibration effects for stable connections. 3. Ideal for Heavy-Duty Vehicles: The 4 Pin Aviation Extension Video Cable is perfect for heavy-duty vehicles such as buses, RVs, trucks, and tractors. It's covered with 32 copper wires and special tin foil to prevent signal loss, ensuring clear and stable video transmission. 4. Versatile Cable Solution: The 4pin Aviation Vehicle CCTV Camera Extension Cable handles power, video, and audio signal transmission all in one. Connect your backup camera without the need for additional power cables, simplifying your setup. 5. Enhanced Signal Protection: This Backup Camera Cable features 32 copper wires wrapped in special tin foil, effectively preventing signal loss. Ideal for use in reverse cameras and CCTV systems in various vehicles, ensuring clear and stable video quality.