【19 LED Lamp Beads】Our LED trailer tail lights built-in 19 LED lamp beads, high quality, ultra bright, provide maximum visibility, greatly improved driving safety. Low power, energy saving and environmental protection. 【High Performance】The trailer indicator adopts advanced manufacturing technology and shows excellent performance. Robust construction with IP65 waterproof rate, it can prevent dirt, water, snow or dust. Extend the service life. 【Widely Application】The brake tail light can be used as brake / tail / stop / reverse, etc. Suitable for trucks, trailers, cars, caravans, tractors, jeep, trucks, etc. 【Multi-function】No modification is required, easy to install. Yellow wire: turn signal; Red wire: brake light; Green wire: running light; Black wire: negative "-". Dual-color LED mode, a good decoration for your car. 【Package Included】4x Round Amber & Red Trailer Tail Lights.