Customer reviews for Defender AI POWERED Sentinel 4K Ultra HD Wired 16 Channel NVR Security System with 16 Metal Cameras

Customer reviews for Defender AI POWERED Sentinel 4K Ultra HD Wired 16 Channel NVR Security System with 16 Metal Cameras for

Defender AI POWERED Sentinel 4K Ultra HD Wired 16 Channel NVR Security System with 16 Metal Cameras

Back to item details

4.6 out of 5 stars

stars92 ratings92 reviews

Write a review

Member photos

Sort by |

Showing 31-40 of 92 reviews

Oct 7, 2022

RHP165

4 out of 5 stars review

Verified Purchase

Dependable system

This product is an improvement over my first defender system. Easy to install, and easy to view on my smart phone.

Review from defender-usa.com

Helpful?

reply from Defender

Hello, Thank you for your review. We are happy to hear you are enjoying your new system, and all the improvements it offers. Thank you for being a loyal Defender customer. Best Regards, Amanda M | Defender Customer Experience Expert.

Sep 22, 2024

Luziaf

4 out of 5 stars review

Verified Purchase

Excellent security system

The cat5 cables that came with the equipment is garbage and is not connectorized for 568A or B standard.

Review from defender-usa.com

Helpful?

Feb 23, 2024

Andysd

5 out of 5 stars review

Verified Purchase

Good enough for the discount

Easy installation, besides crawling around the attic. Plug and play not internet access required unless you want to use the app

Review from defender-usa.com

Helpful?

Aug 7, 2024

Bigdawg

5 out of 5 stars review

Verified Purchase

Great Camera System

I installed it over a week and have been please with it . The system was easy to install and setup . Will add cameras at a later time .

Review from defender-usa.com

Helpful?

Dec 14, 2025

CDA Steve

1 out of 5 stars review

Can't connect to a real person

Bought a four camera eight port system, thinking I could add extra cameras later, Cant buy extra cameras. Defender lost a customer. I'll be upgrading with a different company that will sell extra cameras.

Review from defender-usa.com

Helpful?

Oct 9, 2025

LetarInc

5 out of 5 stars review

Great Cameras, Easy to Install

Fantastic security system for monitoring our manufacturing facility. Installation was easy and the cameras have a simple, yet robust UI. Would recommend to anyone looking for a simple yet effective security system.

Review from defender-usa.com

Helpful?

Jan 5, 2025

Shah

5 out of 5 stars review

It's works really well, we have 4 cameras and all of them working without interruption since 3 months. Night coverage is clear and even the sound records without interruption. In short you won't be regret by selecting

Review from defender-usa.com

Helpful?

Nov 14, 2022

Rick 123

4 out of 5 stars review

Verified Purchase

Desktop computer app

Great camera….just need access to desktop computer…

Review from defender-usa.com

Helpful?

reply from Defender

Hello Rick, Thank you for choosing Defender. Currently, we do not offer PC viewing for the Sentinel. We are focusing on bringing you the best possible mobile viewing experience on iPhone and Android smartphone devices through our Defender apps. For the most up-to-date features and viewing capabilities please download our Defender apps available through the App Store and Google Play. Thank you for choosing Defender to protect what matters. Best Regards, Amanda M | Defender Customer Experience Expert

May 13, 2023

NANNA GEE

5 out of 5 stars review

Verified Purchase

Defender Sentinel

Great System for the money especially for a new business on a tight budget !

Review from defender-usa.com

Helpful?

reply from Defender

Hello Nanna Gee, Thank you for your wonderful review of the Sentinel system! We are happy to hear you love the value! Without you and our other customers, Defender would not be the name it is today! Amanda M. | Defender Customer Experience Supervisor

Sep 9, 2024

Kazi Avi

5 out of 5 stars review

Verified Purchase

Great quality, best offer

Great quality, easy installation, all in one set. Happy Customer

Review from defender-usa.com

Helpful?