A:AnswerBased on my use, volume of radio alarm will be whatever volume you last left the radio on. If you leave the radio on a lower volume, the radio alarm will be that level.
A:AnswerThe two alarms are completely independent. Each can be set up to any time you desire. So, yes, you can set them up for two different times on the same day.
A:AnswerHello, here are your answers:
1. AC Power is the primary source, standard power cord. The Battery backup is Lithium, not Standard.
2. There is a Sleep Button right on top with the usual 90/60/30/15 Options