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Item #:
35209377
Safety Technology International, Inc. STI-6400 Exit Stopper Multifunction Door Alarm - Two Pack
81% of respondents would recommend this to a friend
Item #:
35209377
TMT 742
Price Details
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*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Friday, October 02
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Exit Stopper Door Alarm continues to help solve the problems of unauthorized exits and entries of fire or emergency doors.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Multifunctional Design
The STI-6400 offers a versatile solution with features like door alarms and exit stoppers, ensuring maximum security for various applications, making it ideal for homes and commercial properties.
Two-Pack Convenience
Sold in a convenient two-pack, this product provides enhanced value, allowing users to secure multiple entry points without purchasing additional units, making home and business security more cost-effective.
Easy Installation
Designed for hassle-free installation, the STI-6400 can be quickly set up without professional assistance, empowering users to enhance security measures swiftly and effectively.
Product Details
| Security alarm type | Door Alarm |
| Brand | Safety Technology |
| Rec location | Indoor |
| Rec. use | Residential |
| Power type | Battery |
| Decibel rating | 105 dB |
| Alert type | Audio Signal |
| Features | Warning Lights |
| Number of alarms | 1 |
| Has nrtl listing certification | N |
| Has written warranty | No |
| Assembled product height | 2 in (5.1 cm) |
| Color | Red |
| Model name | Exit Stopper |
| Count | 1 |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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Homeowners
Ideal for homeowners looking to enhance security with easy-to-install door alarms that deter unauthorized entry.
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Business Owners
Great for businesses needing a reliable alarm system to prevent unauthorized access after hours or during off-peak times.
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Parents
Helpful for parents wanting to ensure child safety by alerting them when doors are opened unexpectedly.
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DIY Beginners
Not suitable for those uncomfortable with installation, as it may require some technical understanding of alarm systems.
Product Description
Safety Technology International, Inc. STI-6400 Exit Stopper Multifunction Door Alarm - Two Pack
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is the alarm suitable for outdoor use?
Answer: No, it is for indoor use only. -
Question:
What is the warranty period for the different components?
Answer: Three years for polycarbonate, one year for electro mechanical and electronic components. -
Question:
How can the alarm be disarmed?
Answer: The alarm can be disarmed with the key supplied or until the battery is drained.
Safety Technology Smart Home Kits Editorial Review
The Safety Technology International, Inc. STI-6400 Exit Stopper Multifunction Door Alarm - Two Pack is a reliable indoor security solution designed specifically for residential use. With a powerful 105 dB audio signal and an eye-catching red color, this door alarm combines functionality with visibility. The device features warning lights to alert you of unauthorized access, and its compact design, at just 2 inches tall and weighing 1 lb, makes it easy to install and integrate into your home. Users appreciate its effectiveness in deterring intruders, highlighting its robust sound as an essential feature that enhances security without the need for complex installations.
Customer Reviews & Ratings
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Pros
- Powerful 105 dB audio alarm for effective deterrence
- Compact design fits easily on doors
- Includes warning lights for added visibility
- Battery-powered for easy placement
- Designed specifically for indoor residential use
Cons
- Installation may require basic tools for setup
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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TMT 742
Order now and get it around Friday, October 02
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Fastest cross-border delivery
Features & Benefits
- Alerts to unauthorized exits or entries
- Can sound at 105 or 95 dB volume
- Multiple alarm settings available
- Flashing LED for additional attention
- Comes with 21 language labels
- Three-year guarantee
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