【19 LED Lamp Beads】Our trailer LED tail lights are equipped with 19 LED lamp beads, high quality, ultra bright, provide maximum visibility and greatly improved driving safety. Low power consumption, energy saving and environmental protection. 【High Performance】The trailer indicator adopts advanced manufacturing technology and shows excellent performance. Robust construction with IP65 waterproof rating, preventing dirt, water, snow or dust. Extend the service life. 【Wide Application】The brake tail light can be used as brake/tail light/brake/reverse etc. Suitable for trucks, trailers, cars, caravans, tractors, jeeps, trucks, etc. 【Multifunctions】No modifications are required, easy to install. Yellow wire: flashing; Red wire: brake light; Green wire: traffic light; Black wire: negative "-". Two-color LED mode, a good decoration for your car. 【Package Included】4x round amber and red trailer tail lights.