1. wake up light with natural sound 2. with radio and alarm 3. sunrise lamp Natural sound wake up light function : light becomes stronger and stronger from 0 ... ), 15, 30, 45, 60, 75, and 90 . One more press at light confirms the current mode and goes into setting up of sun ... (off), 15, 30, 45, 60, 75, and 90, Another press at light reserves the current mode and quits at the same time Specification ...