Features: 1.Compatible with most vehicles, strictly certified to maintain safe driving. Ensure your safety. 2.A good replacement on the market for your old, broken, dirty automobile seat belt connector. 3.It has the characteristics of anti?fading and anti?rust, so it can be used with confidence. 4.Adopting high?quality steel and plastic materials, durable and stable performance. 5.Easy to install, black wire is connected to the negative pole of the power supply and red line is connected to the positive pole. Specification: Item Type: Seat Belt Buckle_x000D_ Material: Steel + Plastic_x000D_ Size: Approx. 19 x 5 x 2.1cm/7.48 x 1.97 x 0.83in_x000D_ Fitment: For Car_x000D_ Wiring Instructions:_x000D_ The black wire - the negative pole of the power supply_x000D_ The red wire - the positive pole of the power supply