Your neighbors will hate you but your boss will love

When it works, this alarm will wake you (& all your neighbors!

The very fear it may go off and scare the neighbors into calling 911 gets me up to turn it off before it sounds, and go about my day

Unlike the 110, this model has the intermediate alarm volume which you will hear and which probably won't upset your neighbors.

The neighbors upstairs complained

Loud enough to wake me from a deep slumber but not loud enough to disturb my apartment neighbors

The neighbors downstairs complained

Even annoys my neighbors.

When it works, this alarm will wake you (& all your neighbors!

Your neighbors will hate you but your boss will love

If you sleep like the dead (as I often do) this will scare you back to life (and if you're in a hotel it will wake your dead neighbors).

(I think a few neighbors may have, as well)! :-)