... luminous flux. 3.Beautiful appreance 4.CE&RoHs approval. led ceiling downlightSelection GuidePart No.ColorQ‘ty of LEDs (pcs)Color Temp ... alloy material, spraying surface, plating or anodizing treatment, not easy to fade, strong metal texture.2.Low power consumption, high luminous ... & vibration resistant.5. Free of ultraviolet, infrared ray, no harm to human body and environment