Features: This series of boltlink productions use the newest CREE XBD-R5 illuminant With the lower thermal resistance， higher luminous efficiency Constant luminance with rise of ambient temperature White light efficiency up to 136LM/W， that is a new generation of LED product based on the CREE silicon carbide technology， that production Strong light beam with high refractive index optic lens. Stable luminance under 85℃environment temperature. Copper material heat dissipation，and high thermal conductivity. Widerange voltage， intelligent constant current drive IC. Without interference with digital and VHF radio signals. High refractive index optical lens， make the lamp perfect appear! Chip:Cree Model:1157 BAY15D Socket Led Type:Cree Chip Led Quantity:6SMD Beam Angle:360 degree Color :White Voltage : DC 12V Led Power:30W(This is the theory power) Working Power: Approx4W (0.35A@12V DC) Color temperature:6000-6500K Life: Up to 20000 Hours. Material:AlloyPackage includes: 1PC 30W CREE 1157 BAY15D 6LED Turn Brake Tail Lamp Light Bulb P21/5W White 12V DC