【19 LED Beads】Our LED trailer tail lights are equipped with 19 built-in, high-quality, ultra-bright LED beads, providing maximum visibility and significantly improved driving safety. Low consumption, energy saving and environmental protection. 【High Performance】The trailer turn signal light adopts advanced manufacturing technology and delivers excellent performance. The sturdy construction with IP65 waterproof rating prevents the ingress of dirt, water, snow, or dust. Extends its service life. 【Wide Application】The rear brake light can be used as brake/taillight/stop/reverse, etc. Suitable for trucks, trailers, cars, caravans, tractors, jeeps, trucks, etc. 【Multifunction】No modification required, easy to install. Yellow wire: turn signal; Red wire: brake light; Green wire: running light; Black wire: negative "-". Dual-color LED mode, a beautiful decoration for your car. 【Package Contents】4 round amber and red trailer tail lights.