SENTRI - The ONLY Self-Defense Alarm With Apple & Android Real Time Tracking

3-in-1 Safety Device

4.8 (2,580 reviews)

$29.90

Your personal safety companion that combines a powerful alarm, smart tracking, and a bright LED flashlight in one compact device.

Free ShippingOn orders over $50

30-Day ReturnsHassle-free

Secure Checkout100% safe

133dB Alarm

Powerful sound to scare attackers

Smart Tracking

Works with Apple Find My & Android Find Hub

LED Flashlight

Bright & reliable for any situation

Lost Mode

Get notified if your device is found

Share with Family

Share your device with people you trust

Share Your Info

Add your contact info for the finder to reach you

GOT QUESTIONS?

Frequently Asked Questions

What is the SENTRI Smart Self-Defense Alarm?

SENTRI is a compact personal safety device combining a powerful 133dB alarm, smart tracking, flashlight and location-sharing features in one small device.

How can SENTRI help keep me safe?

If you feel threatened, activate the loud alarm to draw attention and help deter an attacker. Its compact design lets you keep it easily accessible while walking, traveling or going out alone.

How does SENTRI self-Defense Alarm work?

Simply carry SENTRI with you. In an emergency, activate the alarm. You can also use its compatible tracking features to help locate the device and receive supported notifications when you leave it behind.

Can I give SENTRI alarm to my child?

Yes. SENTRI can be attached to a child's backpack or belongings. Compatible tracking features can help you locate the device, making it useful for children who travel to school or play outside independently.

Can I use SENTRI for my luggage and other valuables?

Yes. Attach it to luggage, backpacks, handbags, keys and other important belongings to help locate them if they are misplaced.

Does SENTRI work with iPhone and Android?

Yes. SENTRI supports Apple Find My and Android-compatible tracking.

How long does the battery last?

Depending on the device, batteries last up to 6 months, and rechargeable models recharge quickly via USB-C.

Does SENTRI require a monthly subscription?

No monthly subscription is required.

Why Choose SENTRI?

Features	SENTRI Personal Alarm	Other Alarms	Air Tag
133dB Loud Alarm	Yes	Some	No
Smart Tracking (Apple & Android)	Yes	No	Apple Only
LED Flashlight	Yes	Some	No
Left-Behind Alerts	Yes	No	No
Lost Mode	Yes	No	Yes
Share with Family	Yes	No	Apple Only
Share Your Contact Info	Yes	No	Apple Only
Compact & Lightweight	Yes	No	Yes