1. long lifespan: over 60,000hours. 2. customized led quantity available. 3. low power consumption. 4. various colors compound with single, double or seven color changing. 5. cool beam for safe touching. 6. waterproof and dustproof with strenghting glass / pc cover. applications: suitable for residential and commercial lighting, especially for lighting sensitive objects in shop-windows, galleries, museums, emporiums, taverns, meeting rooms, exhibitions and so on.