1. 252s, 6-7L, m/LED 2. Epistar chip, 12x13mil 3. Constant current driver available 4. ... T9 available CE RoHS PSE FCC 13W LED Round Tube Lighting1. 252LEDs, 6-7L, m/LED 2. Epistar chip, 12x13mil 3. Constant ... 8. Warranty: 2 years 9. Lifetime: 3000hours 10. Driver and LED PCB are separated for radiation 11. Brightness Degradation; <3% 1000H ...