1. energy saving 2. changing color, variable colors available 3. long life span 4. CE, ... certified 5. waterproof This Underwater lamp with changing colors has folllowing characteristics:1. energy saving2. changing color, variable colors available3. long life span4 ... 6000KColor of Light:Warm white, Pure White, Cold whiteBeam Angle160°Color of Cup:Black, white, silver, golden,Working Temperature:-20° ...