Gradual 30-minute sunrise wakes you naturally with light, so you feel properly refreshed and wide awake. Set the final light intensity as you like. Tap-control snooze. Unwind with a fading sunset and encourage easy sleep as the light dims over 30 minutes. Fade-to-off or fade-to nightlight option - great for children. Mimics the colours of a real sunrise and sunset using mixed LEDs and provides all-round dimmable bedroom lighting. Light-sensitive auto-dimming display for night time. Proven to help treat SAD/winter blues, certified Medical Device (class I), 3-year warranty. From Lumie , the light therapy specialist that invented wake-up lights. Say goodbye to reaching for your smartphone the second your head hits the pillow or when you wake up!!