SiriusLED 50W 3157 3157A 3057 3155 3457 4157 Dual Brightness LED Bulbs with Projector for Turn Signals Reverse Backup Brake Tail Lights Amber Yellow High performance LED, long lifespan, superior illumination & stability High luminous efficiency with high brightness light output Environmental-friendly: energy saving, no UV and IR radiation, shock-proof and anti-corrosion. Easy installation, just plug & play Faster on/off response time and vibration resistant