... , the light wakes you up naturally, calendar, natural sound alarm, clock and FM radio. The noncable difference is the much brighter and the ... if waking with the sunlight.Feature:1, Simulated sunrise*sunset control buttons--great feature for hearing impaired!2, Wake with the ... and vulume.5, wake to radio, natural sound or alarm--great for heavy sleeper.6, a great alarm clock for the hearing impaired!7 ...