Is there a way to turn down the sound or at least deaden it a bit? I'm using it in a small office to alert when someone comes in.

Hello Valued Customer, we appreciate your question. No, unfortunately there is no functionality to turn down the sound on our GE Window/Door Alarm. If you have any further questions please don’t hesitate to respond or give us a call between the hours of 7:00 AM – 8:00 PM Central Standard Time, Monday thru Friday at 1-800-654-8483. Thank you.