I bought a Zosi 24 channel 16 camera POE system 16Jul24. I got my system operational last summer, but have waited till now 06Feb25 to update my review to allow my review to reflect more than just new owner euphoria. The short story is: this is a great system. My ISP provider exchanges data thru 5G (like smart phones do). Most ISP provider devices limit DHCP to an relatively small number of IPs thru a quota. If my camera system used IPs generated from my ISP providers device, there would not be enough; the quota is too small. Fortunately however, mesh routers are now taking over this role, so if you use a good mesh router system, this camera system will work well. My system is for a 2 story home, so my ISP providers 5G signal is received in a 2nd story window wirelessly. The LAN side goes to my top level mesh router in a closet via Ethernet cat6. The top level mesh router both broadcasts/receives LAN signals to 2.5G/5.0G wifi, and also to a local 16 port hub WAN side via a short cat6. The hub moves LAN data via cat6 to other rooms where 2 other mesh routers extend the wifi throughout the house. One additional mesh router in a secure server room broadcasts/receives wifi signals from the other mesh routers, and also connects to the 16 camera POE system thru cat6, but has no direct cat6 line to the other mesh routers. All devices are on APC (battery backups). I have now had this operating for 6 months, and generally the camera system is reliable (on my phone from anywhere and/or my wife's tablet, and/or the system console HDMI monitor). Since each camera also has its own security light, potential intruders get lit up and video recorded. I am very happy with this product!

I bought the ZOSI 4PACK 1920TVL 1080P 4-in-1 HD TVI/CVI/AHD/CVBS Security Cameras 100ft Night Vision CCTV Cameras Home Security Day/Night Waterproof Camera for 960H/ 720P / 1080N / 1080P Analog DVR Systems cameras to start replacing a 10 year old camera system already in place that was starting to become more of a nuisance than a surveillance system. The old cameras became so bad that someone walking directly in front of the cameras couldn’t be identified 10 feet away. Because I work in a prison, I have higher security surveillance in some areas and less critical lower security surveillance in others. I chose 3 different camera styles with different viewing capabilities for the areas I was trying to surveil.One of the requirements I had to have was total compatibility with my current system and there was no problem with any of the cameras that I hooked up- basically plug and play. After reviewing footage of these cameras, I was extremely impressed with the clarity of the video and in the application I needed these cameras for, I had to have a wide angle view to cover a lot of ground. I then installed 2 (for a total of 8 cameras) ZOSI 4 Pack 2.0 Megapixel HD 1080P 4 in 1 TVI/CVI/AHD/CVBS Security Cameras Day Night Waterproof Camera 100ft IR Distance For HD-TVI, AHD, CVI, and CVBS/960H analog DVR System cameras for roof placement and my larger areas like the gymnasium. While I was installing one of the cameras, as soon as it was turned on, it fogged up and gave me a “No Signal” error. I replaced it with a spare that I had and had no further problems. Image quality was phenomenal and I had better coverage than my previous setup.The last 4 cameras I bought were ZOSI 2.0 Megapixel HD 1080P 4 in 1 TVI/CVI/AHD/CVBS Security Cameras Day Night Waterproof Camera 65ft IR Distance, Compatible for HD-TVI, AHD, CVI, and CVBS/960H analog DVR ones that replaced some of my internal cameras around our Culinary department and visiting areas. And again, I had no complaints with the quality of the images.After about a month of continuous use, one of my first 4 cameras displayed images that began to turn green, then purple, and then faded to black. I had lost the image completely. As I only had access to email since I work graveyards and most people are comfortably asleep in their beds, I contacted Zosi Customer Service and explained the circumstances of my failed cameras. Within a day, Coco had contacted me for more details of the malfunctions. After I sent model and serial numbers for the defective cameras, she sent me two replacement cameras without waiting for the faulty ones to be sent in. For me, that was a first! The usual process has always been- File a claim, wait for a return label, wait for the company to receive the product, then wait some more for them to tell me it was something I did, then argue back and forth until they reluctantly send me a replacement. In this case- not a single complaint about how the claim was handled and Coco was absolutely great! She was able to get back with me within a day or two at most and had all my questions answered and new cameras sent to me- all right before Christmas!Thanks for such an awesome experience!!!

This system seemed to work very well with a good picture. I only returned it because each camera had a bright flashing green led light at the top center above the lens. This light can not be turned off as I was told by their support. The flashing light stays on 24 hours a day.

Great product at an amazing price… Easy installation and lightning fast shipping… will buy from again… Thanks