His face screws up at that in a wince, nose wrinkling, and he takes a slow breath before letting it out.

"They have two buttons on the top," he says, as if excusing his mistake. "One is the light, one sets off the alarm -- although you can pull the pin out too, so it won't stop even if someone grabs it off you. I was... curious how loud it was, but I only meant to test the light first. Made myself and everyone else jump. Either way, I can definitely tell you they work -- I am fairly sure I got the attention of the entire office."