1. F1 sports ,Especially suitable for modding enthusiasts. 2. High quality lamp beads, super bright even in the daytime. 3. These extra brake lights increase driving safety and make your car see faster when . 4. Significantly improves the reaction time of oncoming motorists and reduces the risk of traffic behind4,Widly applications, can used to tail light,brake light,stop warning light,reverse light. 5. IP68 waterproof,.longer lifespan. Easy to install. Fitment:Universal Car Motorcycle Type:F1 Style LED quantity:15led Function:Brake Warning Reverse Stop Light Application:Pilot Lights,Rear tail light Lighting mode:steady on +flash RED LIGHT (long driving light + brake flashing quickly): only red light, straight out three lines (red, black and yellow). The red light is connected to the positive electrode, the black is connected to the negative electrode, and the red light is always on; the yellow light is connected to the positive electrode, and the black is connected to the negative electrode. When the yellow is connected to the brake, every time you step on the brake, it flash 5 times and then turn on, then step on the brake, and then flash 5 times and then turn on, and so on. Note:Due to different production batches, there may be slight differences in products. Type:Black shell Colour:As Shown Material:Plastic Package Contents: 1 * F1 brake pilot light 1 * bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.