Safety Technology International STI-6400 Exit Stopper Multifunction Door Alarm, Helps Prevent Unauthorized Exits or Entries Through Emergency Doors (10 Pack)
Camera & PhotoSafety Technology International STI-6400 Exit Stopper Multifunction Door Alarm, Helps Prevent Unauthorized Exits or Entries Through Emergency Doors (10 Pack) value — New $829.95. Prices updated July 2026.
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Item details
- Brand
- STI
- Category
- Camera & Photo
This product is the Safety Technology International STI-6400 Exit Stopper Multifunction Door Alarm, sold as a 10-pack. It is designed to help prevent unauthorized exits or entries through emergency doors.
This guide is for buyers and sellers interested in tracking the market value of this specific door alarm system.
The resale value of the STI-6400 is influenced by the condition of the units, whether the entire 10-pack is complete, and any specific edition details.
Price guide
What this actually trades for — sold values by condition vs. what sellers are asking today
| Condition | Value | Based on |
|---|---|---|
| New / Sealed | $829.95 | eBay sold comps |
Frequently asked questions
- What is the STI-6400?
- It is a Safety Technology International door alarm designed to help prevent unauthorized exits or entries through emergency doors.
- What affects the resale value of this alarm?
- The condition of the units, the completeness of the 10-pack, and any specific edition details drive its resale value.
- Is this item in the Camera & Photo category?
- Yes, according to the provided specifications, this product is listed under the Camera & Photo category.
