[16 kinds of static effects and 4 kinds of dynamic effects.] 16 kinds of static adjustable brightness in 8 levels, 4 kinds of static speed is adjustable in 3 levels. Flash mode gives you scene effect when you enjoy a concert or a stage performance, let the light create a sense of immersion. If you want to create a comfortable and relaxing atmosphere, the smooth mode that automatically goes through the color gradient is the most suitable etc.[RGB LED Downlights.] 180LM, 85-265VAC wide working voltage, 90% energy saving by replacing 15W halogen bulbs with 5W LED light, no flickering or glare , viewing angle is 140, providing quality light close to sunlight for true color rendering and consistency inside your home show more vibrant natural color.[High quality.] Our ceiling lights are made of high quality aluminum alloy. Over voltage protection, short circuit protection. Environmentally friendly, low heat generation, no UV or infrared radiation, low energy consumption, low consumption (up to 90 saving). And passed CE certification, you can rest assured to use it at home.[Easy to install.] Cut a hole with the required diameter for the lamp (Outside diameter: 68mm. Hole size: 50mm. Height: 27mm). Connect your power line to the recessed lights cable (no transformer needed, directly at 220V). Press the springs of the recessed lights, then insert the recessed lights into the hole.[Suitable for all occasions.] This product not only for home, toilet, hallway, dining room, living room and other places of decoration, but also for decoration in the bar, library, reception, rooms exhibition, KTV and others places, you create a better atmosphere.