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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
4.6 out of 5 stars
stars92 ratings92 reviews
  1. 5 stars66% (61)
  2. 4 stars33% (30)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star1% (1)

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Showing 81-90 of 92 reviews
May 6, 2024
Josh K
5 out of 5 stars review

4K NVR

Replaced my old nightowl bnc system with this one. Great upgrade. Picture quality is a whole lot nicer. The app to see what is going on at home while your gone is great as well. System looks well made. Cameras have some weight to them and feel like good quality. Forewarning the nvr was set to human detection at first start up and does beep if there is anyone outside in the camera field of view. Kinda scared the bajesus out of us.

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
Apr 3, 2022
DaveH
4 out of 5 stars review

Good system, needs some upgrades

Have had the system for a month or so and has done a good job recording. It is supposed to have sound, but I have not been able to hear any on video playback (may have missed a setting tho) Perfect for my outbuildings.

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
reply from Defender Cameras

Hi Dave! We would love to help you get the most out of your 4K Sentinel Ultra HD Wired 4 Channel NVR Security System with 4 Cameras. Please make sure that sound has been enabled for each channel. We are always happy to help through live chat or email! Our customer feedback is what matters most to us here at Defender! Without you and our other customers, Defender would not be the name it is today! Yvonne M. | Defender Customer Experience Expert

Apr 4, 2022
Loralee M
4 out of 5 stars review

Picture quality is fantastic and the playback feature is great to have. Easy to get setup and started. Only issue is Human detection and Motion detection can be off sometimes with weather.

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
reply from Defender Cameras

Hi Loralee! We appreciate you taking the time to leave this amazing review! It is great to hear the 4K Sentinel Ultra HD Wired 4 Channel NVR Security System with 4 Cameras helps to protect what matters most with the amazing 4K resolution and recorded footage playback. We would love to help you get the most out of your system and please reach out to our live chat support. Thanks for sharing your review with us and the Defender community. Yvonne M. | Defender Customer Experience Expert

Jan 5, 2025
Garrett G
5 out of 5 stars review

24/7 recording with very clear images

I bought this system 3 months ago and have enjoyed using it. The image is very clear and the 24/7 recording is great to capture any activities. The ability to zoom and audio are great features.

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
Apr 29, 2023
Roger S
5 out of 5 stars review

Human detection

Really good system compared to my older defender system. Image quality is good and the app is easy to use. Like the human detection feature!

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
reply from Defender

Hello Roger, Thank you for your review and for being a loyal Defender customer. We are happy to hear you love the image and human detection. THello Anonymous! Thank you for taking the time to review the 4K Sentinel security system. We are so glad to hear you are happy with the system. Our customer feedback is what matters most to us here at Defender! We would greatly appreciate you speaking with your friends and family about your experience with Defender and your 4K Sentinel. Thank you for choosing Defender to protect what matters most. Amanda M. | Defender Customer Experience Supervisor

Jan 4, 2025
Erickp
5 out of 5 stars review

Have been using this camera system really amazing The app is easy to use and navigate High quality video

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
Apr 28, 2023
Mike kk
5 out of 5 stars review

Great reliable and fast

Fast login very clear picture and easy to set up. The cameras a very sturdy. My best system I’ve owned (out of ten or so)

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
reply from Defender

Hello Mike, Thank you for your 5 star review! We are happy to hear that is this the best system you have owned! Our customer feedback is what matters most to us here at Defender! We would greatly appreciate you speaking with your friends and family about your experience with Defender and your Guard Pro. Without you and our other customers, Defender would not be the name it is today! Amanda M. | Defender Customer Experience Supervisor

Apr 2, 2022
JamesB B
5 out of 5 stars review

Easy setup

Purchased unit 2 months ago. Very easy to set up. The quality is fantastic. No issues whatsoever

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
reply from Defender Cameras

Hi JamesB! We appreciate the feedback! We are excited to hear that you have had a positive experience with the ease of setting up the cameras and amazing 4K resolution! Our customer feedback is what matters most to us here at Defender! Yvonne M. | Defender Customer Experience Expert

Apr 5, 2023
Hasan
4 out of 5 stars review

Good system.

I like the system totally and cameras are acceptable quality just wanted camera in black color.

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368
reply from Defender

Hello Hasan! Thank you for taking the time to review the 4K Sentinel security system. We are so glad to hear you are happy with the system. Our customer feedback is what matters most to us here at Defender! We would greatly appreciate you speaking with your friends and family about your experience with Defender and your 4K Sentinel. Thank you for choosing Defender to protect what matters most. Amanda M. | Defender Customer Experience Supervisor

May 13, 2024
Cheuk tam
5 out of 5 stars review

Every items fast setup

I put this about two weeks ago and very happy with the item

Review from defender-usa.com
Helpful?326IA7VZEYHS16767357368