Safety Technology International STI | STI 6400 Exit Stopper in use @SafetyTechnology | Uploaded September 2017 | Updated October 2024, 3 hours ago.
Hear the STI Exit Stopper® alarm when the door is opened. For more information or to see STI’s entire line of innovative products visit: sti-usa.com/yt.
Hear the STI Exit Stopper® alarm when the door is opened. For more information or to see STI’s entire line of innovative products visit: sti-usa.com/yt.