1. During driving mode, white color LED will light up. During turn light model, yellow LED will flash. 2. High performance LED, long lifespan, superior illumination & stability 3. Environmental-friendly, energy saving, no UV and IR radiation, shock-proof and anti-corrosion 4. Easy installation, just plug & play, faster on/off response time and vibration resistant 5. Apply to:Daytime running lights & Turn light.