Gentle wake-up thanks to sunrise simulation that starts 30 minutes before your wake-up time. Sunset Simulation - The light gradually diminishes over a period of 30 minutes as your fall asleep time approaches. Bedside lamp with white or coloured light (green, red, purple, orange, cyan blue). Alarm tone with 6 natural sounds. Snooze function: 5 minutes FM radio with search function and presets. Power supply: power adapter (included) + 2 x AAA batteries (not included) to preserve your settings in the event of a power failure. Dimensions: 14.7 x 17 x 10.5 cm.