Travel
Stay safe in hotels, Airbnbs, or anywhere you stay.
SIMPLE. SMART. PORTABLE.
Block the door. Sound the alarm.
BEST SELLER
SENTRI - Smart Door Wedge Alarm
Portable Security & Intrusion Deterrent
$34.90
Small in size. Big on protection. Take it anywhere and protect yourself anywhere.
120dB Alarm
LED Flashing Light
Compact Design
Free ShippingOn every order over
30-Day ReturnsHassle-free
Secure Checkout100% safe
The SENTRI Door Wedge Alarm slides under your door to physically block intruders from entering. If someone attempts to force the door open, the built-in 120dB alarm and flashing red LED activate instantly to scare them away and alert you. No wiring, no tools—just place it under the door and you're protected in seconds.
- Physically Blocks Intruders
- Prevents the door from opening.
- 120dB Super Loud Alarm
- Red LED Flashing Light
- Compact & Lightweight
- Perfect for Travel
- No Installation Needed
- Ready to Use Anywhere
120dB Alarm
Powerful enough to scare intruders
Anti-Theft Protection
Helps prevent unauthorized entry
Travel Friendly Design
Small, lightweight & easy to carry
Instant Activation
Works the moment pressure is applied
Battery Powered
Long-lasting battery life
No Tools. No Hassle.
Just place it and stay protected
Why Choose SENTRI?
| Features | SENTRI Door Wedge Alarm | Normal Door Stop | Other Door Alarm |
|---|---|---|---|
| 120dB Super Loud Alarm | Yes | No | Some |
| LED Flashing Light | Yes | No | Some |
| Instant Activation | Yes | No | Some |
| Portable & Travel Friendly | Yes | No | Bulky |
| Easy To Use | Yes | Yes | Some |
| No Installation Needed | Yes | Yes | Some |
| Power Source | Battery | None | Battery/Plug-in |
| Protects While You Sleep | Yes | No | Some |
| Monthly Fees | No | No | Some |
Perfect For Any Situation
Home
Add an extra layer of protection for you and your family.
Dorm Rooms
Perfect for students living on campus.
Office
Keep your office and belongings secure.
On The Go
Small enough to fit in your bag, pocket, or suitcase.
Small Size. Serious Protection.
Lightweight and compact, the SENTRI Door Wedge Alarm fits easily in your bag or pocket.
4.7 in
Length
1.6 in
Width
1.2 in
Height
3.2 oz
Lightweight
How It Works
- 1 PlaceSlide the wedge under the door.
- 2 PressureWhen force is applied, the alarm activates.
- 3 Alarm & Light120dB siren and LED flashing light activate.
GOT QUESTIONS?
Frequently Asked Questions
How loud is the alarm?
The alarm reaches a powerful 120dB — loud enough to startle an intruder and alert everyone nearby.
What type of battery does it use?
It runs on long-lasting replaceable batteries, so there's no charging or wiring required.
Can I use it on any type of floor?
Yes. The wedge works best on hard floors and low carpet where it can grip firmly under the door.
Will it work while I'm sleeping?
Absolutely. Place it under your door before bed and it will trigger instantly if someone tries to push the door open.
Is it safe to use on hotel doors?
Yes — it's designed to be portable and leaves no damage, making it perfect for hotels, Airbnbs, and dorms.
Don't Wait Until It's Too Late.
Take control of your safety. Anytime. Anywhere.