Uses gradually increasing light to wake you up Clinically shown to enhance mood & energy levels Dimmer to adjust brightness up to 630 lux FM Radio with 30 programmable channels 7 Soothing nature sounds Audible alarm with snooze mode Digital clock with backlight The refrakta wake up light gently wakes you from your sleep with light gradually filling your room designed to simulate sunrise giving you the perfect to start to your day even on the darkest winter mornings.brbr Waking up to bright light helps kick starts the bodys natural wakeup cycle reducing the production of sleep hormones & boosting those that wake you gently. This method is clinically shown to enhance mood productivity & energy levels. br