... sunrise, the sun alarm wakes you naturally, with energy for the day ahead! The special built-in light gradually increases ... sunlight.Feature:1, Simulated sunrise*sunset control buttons--great feature for hearing impaired!2, Wake with the sun or fall asleep to a ... radio, natural sound or alarm--great for heavy sleeper.6, a great alarm clock for the hearing impaired!7, integration sleep function: adopt 4 ...