... stronger and stronger from 0,15,30,45,60,75,90mins until the time pre-set, like ... of the alarm time by 15 minutes, 30 minutes, 45 minutes, 60 minutes, 75 minutes, or 90 minutes; intensity of light, which ... now on or in 15 minutes, 30 minutes, 45 minutes, 60 minutes, 75 minutes, or 90 minutes until it is off; intensity ... choose between 0 (off), 15, 30, 45, 60, 75, and 90, Another press at light reserves ...