STI 6400 Exit Stopper Multifunction Door Alarm, Helps Prevent Unauthorized Exits or Entries Through Emergency Doors

Alarm helps stop unauthorized exits/entries through emergency doors
Highly visible STOP sign design works as a deterent
User can select whether to use as an alarm or annunciator
May be programmed with entry delay or immdiate alarm
Completely self contained
Flag this deal
What's the matter?