1. Material: aluminum alloy 2. Weight: about 150g/piece 3. Size: about 7.3x6.4x5.3 cm/piece 4. Voltage: 12V 5. Number of needles: 7P 6. Function: connect the signal transmission between the main vehicle and the trailer 7. Applicable models: cars, off-road vehicles, RVs, trailers, etc. 8. Features: easy to use, widely used, aluminum alloy material, wear-resistant and drop-proof, not easy to rust, waterproof and dustproof, high safety, pure copper contact point, good conductivity, strong and durable
