Detection Spells, Confused on how Clairvoyance works Options

[BobAlmighty]

The other evening, we had a sitation where a runner was trying to locate an individual on the second floor of a club by using clairvoyance. My understanding of that spell was limited at best and after some discussion we decided it worked in the following manor.

The spell's range is touch...which I assume means the caster. The sesnory range of the spell is magic time force, or for extend range magic times force times 10. Clairvoyance allows the caster (or the target of the caster?) to see distant scenes as if he were physically present.

What consfused me is two things. The spell is a touch spell, does this mean that the mage can cast it on another party member for example and the spell operates for that target as described? or does it mean that the target has control of the view point and the mage sees the scene from that view point?

Finally, the spell seems to indicate that you can view any scene within the "sensory range" of the spell. If for example this was 30 meters, could you view rooms or scence beyond your LOS? In the example above I allowed the mage to look into the rooms on the second floor of the building with this spell, but this in some ways seems extremely powerful. So what are you guys thoughts on this and other detection spells?