The Philips SmartSleep HF3651 is the Wake-Up Light designed to help you wind down to sleep and to wake up naturally, feeling refreshed. It has 8 wake up sounds, FM radio and a tap snooze to go with the coloured Sunrise wake up. 25 brightness settings allow you to use the product as a nightlight or bedside reading lamp. The HF3651 has RelaxBreathe function which lets you follow one of several rhythms of light or sound with your breathing for a calm, peaceful transition to sleep. The sunset simulation drifts you to sleep by dimming the light and sound. Multi level touch display allows customization suited to your needs. Clinically proven to improve your wellbeing. Automatic universal voltage (100-240V). 2 year manufacturer's warranty.