GOT QUESTIONS?
Frequently Asked Questions
Everything you need to know about SENTRI devices, orders, and support.
How do SENTRI devices work?
Each device is designed to work right out of the box — peel, place, or power on, and you're protected in minutes. No wiring or technicians needed.
Do I need to pay any monthly fees?
Never. Every SENTRI product is a one-time purchase with no subscriptions or hidden fees.
How loud are the alarms?
Our alarms range up to 133dB — loud enough to startle intruders and alert everyone nearby.
What is 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 shipping take?
Orders ship within 1–2 business days, with free shipping on every order. You'll receive tracking as soon as it's on the way.
How long do the batteries last?
Depending on the device, batteries last up to 6 months, and rechargeable models recharge quickly via USB-C.
Can I contact support if I need help?
Absolutely. Our team is available 24/7 — just head to our Contact page or email support@sentri.com.
Still have questions?
Our team is here 24/7 to help you stay protected.