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Customer reviews for Defender Sentinel 4K UHD Cameras with 1TB NVR Security System, 8pk. for
Defender Sentinel 4K UHD Cameras with 1TB NVR Security System, 8pk.
4.5 out of 5 stars
stars113 ratings107 reviews
  1. 5 stars65% (74)
  2. 4 stars29% (33)
  3. 3 stars2% (2)
  4. 2 stars1% (1)
  5. 1 star3% (3)
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Showing 1-10 of 107 reviews
Aug 10, 2025
Shirish Patil
5 out of 5 stars review

Excellent Security Camera System

Excellent Security Camera System to protect your home. I have been a long time Defender systems user and love them. These model specifically has wide angle cameras and great night vision capabilities. the sensors work great and picks up movements immediately. If you are using for inside the home, i would recommend to turn off the lights for night vision. Access from app works nice and very quick/easy to setup. Audio feed, although works only from one camera at a time, is a good feature to have.

Review from defender-usa.com
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Oct 8, 2024
Rivermom
5 out of 5 stars review

Verified Purchase

Love these home protectors

There is a little issue with the red box indicating persons where there is no one but only on one of the eight cameras. Otherwise no issues and so far it’s been a great picture and my electrician son installed them from the attic with zero issues. Couldn’t be happier. The price was incredible also.

Review from defender-usa.com
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May 13, 2024
Anonymous
5 out of 5 stars review

Verified Purchase

Great product with big wires....

Delivery was on time and nicely packaged.. I have not installed the units yet as I am still taking down my exciting security system, The only issue I would change is the massive weather guards that is on each camera input wire, when installing them on a wall or bulkhead you are forced to drill a 3/4" or larger hole just to get the wire through.. This is a major hole and takes a good sized drill leaving wall damage. The only option is having every camera using a junction box which is clumsy.

Review from defender-usa.com
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Aug 26, 2023
BigD
5 out of 5 stars review

Verified Purchase

Happy with product

System was pretty easy to install and works well. Like having a powered system. Package was complete which was nice. Wish you had better quality screws or perhaps change to hex screws for camera angle setting. Found that the current phillips screws are soft and strip pretty easily.

Review from defender-usa.com
Helpful?3VQEJIZ6IWS113935050460
Apr 21, 2025
Thorn
5 out of 5 stars review

Verified Purchase

Defender Cameras Canada

You changed your hookup technology, this new system can't be run in parallel with my previous Defender system. That's of little consequence, I'll run them side by side, but it wouldn't have been nice to have had a certain consistency. Regardless, I'm a kern patron of your technology, and will be buying more as my business grows.

Review from defender-usa.com
Helpful?3VQEJIZ6IWS113935050460
May 26, 2025
Anonymous
4 out of 5 stars review

Verified Purchase

Great system, quality video

Super easy to install, and love the crisp picture. Only quip I had is that 60’ runs are tight when going to opposite ends of the house, 80’ cable runs would have been much better as I had to extend 2 of my camera runs.

Review from defender-usa.com
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Jan 30, 2023
William E
4 out of 5 stars review

Verified Purchase

Third System - Best Yet

This is my 3rd Defender camera system. By far my new system has better cameras, audio and even security motion lights. The system is priced lower than the original system I purchased over 12 years ago. My only complaint is the user interface which to me, is not intuitive. It takes real digging to find out how to replay and save videos.

Review from defender-usa.com
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reply from Defender

Hello William, Thank you for your review. Thank you for being a loyal Defender customer. We are thrilled to hear you love the value, cameras, audio and motion lights. Thank you for your feedback on the interface, as we are always looking to improve. Thank you for choosing Defender to protect what matters most. Best Regards, Amanda M | Defender Customer Experience Expert

Oct 8, 2022
Annie C
4 out of 5 stars review

Verified Purchase

Mostly good system. Pretty happy.

Good system. Easy to install. We enjoy the wide view. Can see a lot more than expected. Only issue is that we get alerts that they are picking up human body but when you look, it's nothing. We tried turning sensitivity down but it didn't help. So we get a lot of notifications for nothing. And it's the same spot over and over. Maybe it's a ghost? Lol otherwise we are happy with it all.

Review from defender-usa.com
Helpful?3VQEJIZ6IWS113935050460
reply from Defender

Hello Annie, Thank you for your review. Please note that human detection significantly reduces false alarms that can be triggered by insects, rain, swaying trees, passing vehicles, or animals.  Please note some false alerts may occur as the algorithm is designed to reduce these but will not eliminate them completely. Thank you for choosing Defender to protect what matters most. Best Regards, Amanda M | Defender Customer Experience Expert

Dec 14, 2023
Aunt B
4 out of 5 stars review

Verified Purchase

Discovering small details..

The system could have came with better quality Ethernet cables like cat 6. Also I would have loved to known that the nvr needs to be within 30ft from internet modem before I set all the cameras and wires up 95ft away from my internet modem. The last thing i don't care for is video playback is rather complicated. There is only pause and fast forward, no rewind to go back in case you want to watch something over again and you cannot zoom in on playback footage. The instruction manual is rather lacking in a lot of details. Very informative on setting it up with you phone, everything else isn't. However, the picture quality is absolutely amazing

Review from defender-usa.com
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Mar 12, 2024
True Player
4 out of 5 stars review

Verified Purchase

A Security System that makes you feel safe

Pros: The cameras are sturdy with good quality. The installation was easy. The mobile app responds quick and smoot which provides basic features needed to check the cameras and adjust some limited settings. The pictures are clear and sharp. Cons: First, I don't like the way used to adjust the position of the cameras with three screws which are sometimes hard to access after installation. There is no control of the video output remotely, so it is very inconvenient if you want to connect the NVR to a remote TV. The mobile app needs some tweaks for a good user experience, for example, ability to navigate between cameras. This is just a preliminary review though. Still need time to play around.

Review from defender-usa.com
Helpful?3VQEJIZ6IWS113935050460