led tube light, T8 led tube lighting, 24V DC led tube light, 12V dc led tube light, SMD led tube, 9watt led tube, 8watt led tube 9W, DC24V led tube light, 144 pcs Epistar 3528 SMD leds ... .95 Optical Parameters: Luminaire Efficiency:>90%Color-Rendering Index:>80Ra LED Efficiency:>90Lm/wColor Temperature:2700-3500K/4000-4500K/5000-5500K ...