Beautiful bubbles suspended inside the acrylic tubes of this product make for an eye-catching glow. Uses LED light sources with 3000K color temperature. Uses superior Osram SMD LED lights with exclusive Opto Semiconductor. These LED lights are smaller, more efficient and put out more light! This collection also has exclusive Quattro dimming, which means no dimmer switch is required. You can choose from four different levels of light with just the flick of a light switch. This manufacturer offers meticulous German engineering to beautify your home.