... tri-phosphor fluorescent power, the color rendering is high to 85.2. Hight color rendering, eyesight protection3. Metal Ring ... Luminous efficiency is 35% higher. Low Lumens depreciation.5. Different color temperature:2700K, 4000K, 6500K.6. Lifespan is 12000 hours ... *L440mm3. Base: G134. Lifespan: 10000 hours5. Color temperature: 2700K-6500K6. Rendering: 827. Color: Red, Blue, Green8. Approval: CE ROHS ...