Description: Introducing the audio line with a 4-pin interface, perfect for connecting reversing cameras in container trucks, buses, and small trucks. This versatile product comes in 4 different lengths to suit various vehicle types. The 4-pin interface supports both video and audio signal transmission, ensuring clear and reliable communication. Included in this set are male and female connectors of M12-4PIN, with the female connector featuring locking screws for secure connections. The wire is encased in 4.5mm PVC sheathing and boasts a 4-core oxygen-free copper conductor for optimal performance. Additionally, this audio line features a trigger wire with 2 terminals, designed to be connected to the reversing light power supply. This enables the automatic activation of the reversing camera when the vehicle is in reverse gear, providing added convenience and safety. Item Name: Audio Cable Material: PVC+Metal Colour: Black Features: Durable, Premium Quality, Easy Installation Size Details: 10M Black, Length: 1000cm/393.7" (Approx.) 12M Black, Length: 1200cm/472.44" (Approx.) 15M Black, Length: 1500cm/590.55" (Approx.) 20M Black, Length: 2000cm/787.4" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Audio Cable Durable PVC+Metal Construction: Crafted with a robust PVC sheathed wire and 4-core oxygen-free copper conductor, ensuring long-lasting durability and reliable signal transmission for reversing camera setups on container trucks, buses, and small trucks. Versatile 4-pin Interface: The M12-4PIN male and female connectors feature locking screws for secure connections, supporting both video and audio signal transmission. Ideal for various car models, offering flexibility and compatibility across different vehicle types. Automatic Trigger Wire Functionality: Equipped with a 2-terminal design including a trigger wire, easily connectable to the reversing light power supply. This feature enables automatic activation of the reversing camera when the vehicle is in reverse gear, enhancing safety and convenience. Easy Installation And Setup: With 4 different lengths available, this 4-pin interface provides convenient installation options tailored to specific vehicle requirements. Simplify the setup process and simplify camera connectivity for efficient usage in diverse automotive applications. Premium Quality Assurance:Experience top-notch performance with this brand new, high-quality product designed to meet professional standards. Enhance your vehicle's safety features with a reliable reversing camera connection solution that prioritizes functionality and longevity.