1. Material: nylon, plastic 2. Weight: about 55g/piece 3. Size: about 7x6.5x5 cm/piece 4. Voltage: 12V 5. Number of needles: 3P 6. Function: connect to the original car signal system 7. Applicable models: tractors, agricultural vehicles, etc. 8. Features: easy to use, widely used, environmentally friendly nylon shell, waterproof and dustproof, high safety, good conductivity, sturdiness and durability