Whole lamp cover, back radiator is aluminum alloy material, face is acrylic panel, the lamp bead USES highlights, energy saving LED lamp bead, the lumen reaches 80 lumen per watt, the integral light source is efficient, energy saving, environmental protection! The lamp can pass through 100mm with a hole diameter of 70mm and a thickness of 45mm. The input voltage of ac85-265v and the color temperature of 2700k-6500k can also be used for tri-color dimming. Whole lamp quality guarantee for two years, working time is 50000 hours. Not waterproof, suitable for indoor lighting, decorative use.