ZOSI 4K PoE Security Camera System with Face/Person/Vehicle Detection, 16 x 4K Outdoor IP Dome Cameras, 2 Way Audio, Color Night Vision, 16 Port 32CH 8MP Dual-Bay NVR with 4TB HDD for 24/7 Recording
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30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
15 left in stock
Arrives
Friday, Jun 12
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Size: 4K PoE-16CH+16Cam+4TB
Features
- [4K Ultra HD and Color Night Vision] This incredible 4K CMOS image sensor allows the camera to capture more light, resulting in improved color, contrast, and low-light performance. With 4K resolution, you can record everything in stunning detail with high pixel count and digitally zoom in on objects in the distance without losing any quality.
- [Face/Person/Vehicle Detection with Push Alerts] Our AI-powered detection feature intelligently identifies faces, people, vehicles, or other objects, reducing unnecessary notifications. Whenever a motion event is detected, you'll receive instant push alerts through the app and email notifications.
- [Two-Way Audio & Remote Access] Equipped with built-in microphone and speaker, our product allows you to have real-time conversations with your family, communicate with colleagues at work, or greet visitors at your door, all through our ZOSI Smart app. With support for multiple user connections, you can share camera view with your family. And you can remote access and playback anytime, anywhere on your phone.
- [4K 16-Channel NVR Upgrade to 32CH Expandable] Upgrade your 4K 16-channel NVR to a 32-channel system with our expandable solution. Simply add a PoE switch (not included) and you can expand your system to support up to 32 PoE cameras. This gives you the flexibility to add additional cameras according to your needs. You can integrate more (ZOSI only) 8MP, 5MP, 4MP, 3MP, or 2MP PoE cameras to enhance your surveillance.
- [Dual-Disk Backup for 24/7 Recording] Our dual hard drive design supports extended continuous recording and USB backup. It can accommodate up to 2 x 8TB hard drives (not included). With a built-in 4TB secure-grade hard drive, you can rely on it for reliable all-day recording. The NVR can be set to automatically overwrite the oldest stored footage or transfer these video files to a USB thumb drive or external hard drive via USB.
Recommended Uses For Product: Business, Home, Indoor Security, Outdoor Security
Brand: ZOSI
Model Name: 168B4-2258W16-US
Connectivity Technology: Wired
Special Feature: 2-Way Audio, App Control, Audio Recording, Human Detection, Vehicle Detection
Other Special Features of the Product: 2-Way Audio, App Control, Audio Recording, Human Detection, Vehicle Detection
Indoor Outdoor Usage: Indoor, Outdoor
Compatible Devices: Cameras, Laptop, Personal Computers, Smartphone, Tablet
Color: white
Installation Type: Screw In
Enclosure Material: Aluminum
Water Resistance Level: Waterproof
Control Method: Remote
Connectivity Technology: Wired
Power Source: Corded Electric
Are Batteries Required: No
Video Capture Resolution: 4k
Frame Rate: 24 FPS or higher
Night Vision Range: 100 Feet
Night Vision: Starlight
Antenna Location: Business, Home, Indoor Security, Outdoor Security
Brand: ZOSI
Model Name: 168B4-2258W16-US
Number of Items: 1
Built-In Media: 1 x 16 Port 24CH 4K 8MP POE NVR with 4TB Security Grade Hard Drive, 1 x NVR Power Supply, 16 x 4K 8MP Indoor Outdoor POE CCTV Cameras, 16 x 60ft Ethernet Cables, 16 x Mounting Screw Kits
Model Number: 168B4-2258W16-US
Specific Uses For Product: Inside, Outside
Manufacturer: ZOSI
Item Type Name: 16CH 4K PoE Security Camera System
Number of Channels: 24
Viewing Angle: 90 Degrees
Item Dimensions: 20 x 16 x 14 inches
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Jun 12
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Wired-1Cam
Works well, got it to replace a failed one that was only working in black and white after about 5 years.
Reviewed in the United States on November 18, 2025 by MisterFixer11
Size: Wired-1Cam
I just replaced an inexpensive dome cam with this Zosi and couldn't be more satisfied. The low price almost made me look elsewhere since I wanted better quality than I had but with Amazon's no hassle return policy, I took a chance. I'm very glad I did because this camera performs very well. Others have said it was plastic but thats only partially true. The camera ball is thick metal but the base is high quality plastic. The only issue I had was that one of the rubber bumpers that hold the ball in place when its mounted came off while aiming the camera, I just had to re-glue it. That would explain why some reviewers have complained of not being able to tighten it. Image quality is great, see my old vs Zosi comparison pictures. The second one is the old no-name camera. Both pic's had bright sunshine and were taken only a couple hours apart. The Zosi was a huge improvement!
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Reviewed in the United States on February 21, 2018 by J B.
Size: Wired-1Cam
Nice replacement for my system
Reviewed in the United States on March 2, 2026 by James pollard
Size: Wired-1Cam
Short story: Outstanding Long story Background: I started out with an 8-channel Zmodo DVR kit. The picture quality looked fine but I had nothing to compare it to. Later I upgraded the DVR section to a 16-channel DVR but with the original 8-cameras knowing I was going to expand the system in the future. After seeing so many customer photos of other DVR's I knew that the Zmodo had a low-quality picture so I purchased an Anran DVR and wow, what a miraculous improvement! It was like going from VHS to DVD all over again! Though the original cameras looked better, I was still dissatisfied. I began purchasing new cameras as upgrades with some pretty good improvements. But when I finally tried these Zosi 800TVL 960H cameras, I was astounded at the picture quality. Colors were accurately saturated, contrast was good, and the resolution seemed to match up with the Anran DVR very, very well. There is no mosquito noise in the system from low-light conditions either, which I definitely see on my remaining Zmodo cameras. Since the first Zosi camera, I have purchased 3 additional ones and have plans to purchase 5 more to complete the upgrades and expand the system as far as I want it. To be clear, I have purchased one of these white domes, a black dome, and a black bullet camera. All seem to have identical sensors, just different form factors and IR arrangements. These are so good, I might even replace some of my previously upgraded cameras. I was suspicious of the cost of the cameras, since most of the "good" cameras go for $30 or more (including 3 that I purchased before any of the Zosi cams), but these are shockingly good. Much better than my $30-$45 cameras. UPDATE: There is one flaw with this camera. If you angle the camera ball too close to 90° (90° means facing "straight out" instead of "straight down", 0°), the IR LED's will reflect off of the inside of the containment shroud back into the camera sensor which creates bright halos that complete drown out the image at night. I don't know if all dome cameras do that so I can't necessarily dock my rating of this one. Just wanted to make everyone aware of this limitation depending on how they intend to set the viewing angle. I'm simply going to use this camera in another location that faces more downward instead of outward and use a bullet camera in the location I need to "face outward". I suppose as an improvement, Zosi could coat the inside of the containment shroud with an IR absorbing material instead of an IR reflective material, but then the cost probably wouldn't be so spectacular at that point. Although, I could probably tackle that pretty easily as well. Maybe I'll try that and get back to you guys with another update.
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Reviewed in the United States on March 9, 2015 by Doc Jables
Size: Wired-1Cam
Muy bueno
Reviewed in the United States on May 8, 2026 by Leonardo Morales
Size: 4K PoE-16CH+12Cam+4TB
I got this 4k, 16 channel w/12 8mp camera system on prime day at a great deal. Everything arrived on time and well packaged. I tested the product before fully installing, and immediately found that 3 channels on the NVR were not working. I tested all of the cameras and ethernet cables on every channel and the cameras all worked, EXCEPT on the same 3 channels. Deeming those channels were dead, since no power was received or transmitted through them. I then re-packaged everything expecting a quick exchange for a fully operational system. I initially emailed customer support with no response. I then contacted them via phone and after an hour or so I got a call back, which was cut off a couple of minutes into the call. I didn’t get a return call so after a couple of hours I again called to get on the call waitlist. By the time I got a call back I was no longer at work (where the camera system was to be installed). I again explained the problem and re-iterated the trouble shooting I had already done to identify the sole problem (NVR w/3 dead channels). They requested pictures and gave me a number where I could text them directly but could not call them. The following morning, I went to work early so that I could unpack everything and set it up so that I could take the requested pictures and text them. The initial responses were instant with statements of the obvious “3 channels don’t have power going to them” Have you tried different cables?”. They also suggested some trouble shooting techniques which had already done and told them twice the previous day I had already done. This went on for a few hours, with the last text reading that they were going to escalate my case to the next level. I asked them why they couldn’t send me a replacement NVR and got no response. The following day I got a voicemail to text them so that we can try some more trouble shooting, unfortunately I was already off from work so I did it first thing the next day. They say third time is a charm, right? Well, it wasn’t, I again unpackaged the system and called them for some more trouble shooting. I had to again explain the issue, which at this point is ridiculous. You have an open ticket for this case with notes, why do I have to start over every time I call? Well thankfully the troubleshoot only took about 20 minutes this time. Get this they asked me to try different ethernet cables and cameras on the dead channels and to try connecting the NVR on a different wall outlet. WOW! is all I can say to that. After the troubleshoot I was told my case was being escalated to the next level for a replacement NVR. They even took down my shipping address, email and told me They’d contact me the following day. After no contact from them for 2 days I initiated a return through Amazon for a refund, which was hassle free and painless. Because of the weekend the product took about a week to arrive and a couple of days later I had my refund. THANK YOU, Amazon. I had the system for 8 days and kept getting the run around without getting the easiest fix from Zosi (exchange the faulty NVR) and it’s been 2 weeks since I was told my case was escalated to the highest level and would get a call the following day, which I haven’t received. I personally believe it’s their plan to give you the run around to the point where the warranty or return time frame expires and you’re stuck. It’s sad, because the quality of the cameras and ease of setup was great, but if customer support can’t fix the easiest of problems, what’s going to happen when a bigger issue arises? I am glad that I didn’t wait on Zosi because I’d be stuck with a nonoperational system, and I can’t praise Amazon enough for the way they do and take care of business and their clients. Yes I’m out a great deal but I’m sure another will come by soon and luckily this was going to be an upgrade to our existing system, so for the time being I’ll stick with the old system.
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Reviewed in the United States on November 7, 2024 by Rudy C.
Size: 4K PoE-16CH+16Cam+4TB
Great price !
Reviewed in the United States on November 13, 2025 by MARCIAL
Size: Wired-1Cam
The daylight resolution is OK but the infrared (night) resolution is poor.
Reviewed in the United States on December 20, 2024 by Greg S