LED beads are mainly made of high quality aluminum, which is safe and durable. High brightness, low power consumption and more energy efficient than ordinary light bulb, environmentally friendly , lead and mercury free. Long lifespan 50000 hours Healthy light source, no flickering, your eyes won’t feel tired under the light. Harmless to skin and eyes. LED beads are suitable for replacing spotlights/spotlights in home, studio and exhibition.