105 dB Exit Stopper Door Alarm For Double Doors, Self Contained, Easy Install, On Off Switch, Runs On 9 Volt Battery, Mounts On Top Left Right Or Beside Door, Red

Self-contained Exit Stopper Alarm for Double Doors
✔️ Single unit, 9V battery powered, mounts on top/left/right or beside

The STI-6402 Exit Stopper is a compact, self-contained door alarm designed for double doors in commercial and residential settings. It emits a loud 95 or 105 dB alarm when activated, helping deter unauthorized exits and theft. It mounts easily on top, left, right, or beside almost any door and runs on a standard 9V battery. Dimensions: 5 in. diameter x 1.875 in. depth.

✅ 95/105 dB alarm when protected door opens
✅ 30 seconds, 3 minutes, or continuous alarm options
✅ Key-operated override to silence for authorized exits
✅ Annunciator mode with 10 beeps on door opening
✅ Mounts on top, left, right, or beside door; not to be exposed to water
✅ Dimensions: 5 in. diameter x 1.875 in. depth

💡 What is a door exit alarm and how does a self-contained exit stopper work? This handy device provides audible alerts for double doors and helps deter unauthorized exits in a simple, battery-powered setup. - door exit alarm functionality and setup - battery-powered operation and easy mounting for double doors - typical use cases and maintenance tips

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