I feel so much safer traveling now. The alarm is incredibly loud and fits right in my bag. Best purchase I've made this year!
SMART SECURITY. TOTAL PEACE OF MIND.
Protect what matters most. Everywhere.
Affordable, smart, and easy-to-use security solutions to protect your home, your loved ones, and your valuables.
- Instant Alerts
- App Control
- Easy Setup
- No Monthly Fees
30-Day Money Back Guarantee
Try risk-free.
Free & Fast Shipping
Fast delivery to your door.
Secure Checkout
Your data and payments are 100% safe.
24/7 Customer Support
We're here to help anytime you need.
OUR BEST SELLERS
Most Loved. Most Trusted.
SENTRI Safety Tracker
- Protect your loved ones
- Track important belongings
- Emergency 133 dB alarm
SENTRI Door Stop Alarm
- Extra security for hotels and apartments
- Loud 120 dB alarm
- Portable & easy to use
WHY THOUSANDS CHOOSE SENTRI
Powerful Protection
Emergency alarms up to 133 dB to attract attention when needed.
Smart Tracking
Compatible with Apple Find My and Android Find Hub.
Instant Notifications
Receive alerts directly on your phone, anytime, anywhere.
Easy Setup
No technician. No wiring. Ready in minutes.
Built For Everyday Life
Children. Parents. Travelers. Students. Families.
OUR COLLECTIONS
Complete Safety for Every Part of Your Life.
REAL CUSTOMERS. REAL PROTECTION.
Loved by Thousands
See why families everywhere trust SENTRI to keep them safe.
Set it up in my apartment in under a minute. No wiring, no monthly fees, and I get instant alerts on my phone. Exactly what I needed.
Bought one for my daughter's dorm and one for my mom. Peace of mind for the whole family. Highly recommend SENTRI!
GOT QUESTIONS?
Frequently Asked Questions
How loud is the alarm?
Our alarms reach up to 133 dB — loud enough to startle an intruder and alert everyone nearby.
Do I need any tools or wiring to set it up?
No. Every SENTRI device is designed for instant, tool-free setup — just place it and you're protected in minutes.
Are there any monthly fees?
Never. SENTRI is a one-time purchase with no subscriptions or hidden fees.
What's your return policy?
We offer a 30-day money-back guarantee. If you're not satisfied, return it for a full refund.
How long does the battery last?
Depending on the device, batteries last up to 6 months, and rechargeable models recharge quickly via USB-C.