... and latest heat dissipation structure. 2, High luminous efficiency, life-span reaches 50000 hours 3, Lower electric consumption 4, Waterproof (IP68 ... aluminum, has excellent corrosion-proof, 3,High luminous efficiency, life-span more than 50000 hours4, Lower electric consumption 5,Waterproof, Shake ... lights Application Picture: 6w led replacement BAY15D bulbs with 4pcs multi-chips