The Philips HF3505 is designed to help you to wake up naturally, feeling refreshed. It is only 7" in diameter and has 10 different brightness settings allowing you to use it as a bedside lamp. It has 2 wake up sounds, FM radio and a tap snooze to go with the Sunrise simulation. Clinically proven to improve your wellbeing. Automatic universal voltage (100-240V). 2 year manufacturer's warranty.