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🚪🔒 Stop unauthorized exits before they happen — loud, tough, and smart security!
The STI-6400 Exit Stopper is a compact, battery-powered door alarm designed to prevent unauthorized emergency door tampering. Featuring a piercing 105dB alarm, virtually indestructible polycarbonate housing, and flexible mounting options, it offers professional-grade security with easy installation and a 3-year warranty on housing durability. Ideal for retail and commercial spaces seeking reliable, cost-effective door protection.







| ASIN | B0006AZDII |
| Amazon Bestseller | #622,499 in DIY, Tools & Garden ( See Top 100 in DIY, Tools & Garden ) #119 in Home Security Systems #3,641 in Surveillance & Security Cameras |
| Audible Noise | 105 Decibels |
| Battery Description | Alkaline |
| Brand | STI |
| Built-In Media | 9V Battery, Door Alarm, Lead/Magnet |
| Color | red |
| Control Method | Touch |
| Customer Reviews | 4.7 out of 5 stars 491 Your Review |
| EU Spare Part Availability Duration | 3 Years |
| Global Trade Identification Number | 00662950640004 |
| Item Dimensions L x W x H | 17.3L x 6.9W x 1H cm |
| Item Type Name | Door Alarm |
| Item Weight | 522 g |
| Manufacturer | Safety Technology Intl |
| Mfr Part Number | STI-6400 |
| Model Number | STI-6400 |
| Mounting Type | Door Mount |
| Number of Batteries | 1 9V batteries required. (included) |
| Power Source | Battery Powered |
| Product Dimensions | 17.3L x 6.9W x 1H cm |
| Sensor Technology | Contact Sensor |
| Size | 1 Pack |
| UPC | 737214686613 662950640011 662950640004 |
| Unit Count | 1.0 Count |
| Voltage | 9 Volts |
J**T
Sold as advertised A+
J**R
Small alarm but gets it done
R**A
الجودة
التوصيل كان سريع والشحنة مناسبة للعمل وذات جودة ممتازه
R**N
Excellent!
J**R
OK
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