The default setting of the NVR is 1024 x 768. If the monitor resolution is lower than 4K, then the system will not show the 4K resolution. 4K Ultra Clarity Day & Night. Four times the resolution of 1080P. This Ultra HD 4K CMOS Image Sensor allows the camera to capture more light, which improves color, contrast, and low-light performance. This camera security system 8.0MP UHD and 16:9 widescreen aspect ratio gives you cinematic visuals. See brighter full-color nighttime videos with advanced starlight sensor. Featuring f/1.6 aperture, it captures more light and reveals vivid details even in very low light conditions. Expand Up to 16-Channel System. This 4K 8 ports NVR can be upgraded to 16CH expandabled with a PoE switch connected. PoE – Installation Made Easy. A simple PoE connection makes it easier to set-up and install your home security camera system. Unlike CCTV DVR system, videos from the IP camera system will not be degraded or destroyed by cables. Avoid annoying false alerts with intelligent AI person detection. You’ll be notified via App push notifications and emails upon detection of humans. See & Talk through Camera. Not only can you watch ultra-clear live video, you can also directly hear and talk to anyone close to you with 2-way audio. For example, with couriers, real-time communication with visitors outside the door. Remote Access Anytime & Anywhere. Get quick access and control to your cameras whenever and wherever via. · Free Zosi Smart App on your mobile device. · Free AVSS Client on your PC/Mac. Dual Deterrence For Intruders. Powerful spotlights and sirens warn unwanted persons when suspicious persons approach. Double Warning to Protect Your Home. The protection level of this camera is IP66, and the shell is made of metal, which can effectively block sand, dust and wind and rain erosion. Suitable for indoor and outdoor installation. Expandable 24/7 recording kit covers every corner of your house with up to 8 cameras running simultaneously, so you never worry about missing a thing. Save Space on HDD. 264 coding, advanced H. 265+ technology saves about 50% bandwidth and storage for longer recording time and a better viewing experience. You can customize the detection area. When a stranger breaks into the area, the system will work immediately to warn the intruder and reduce false positives. Protect What Matters Most. Specify detection areas, adjust motion sensitivity levels and mask certain points to focus on what you want the camera to record while protecting your privacy. Question 1: Can I add more cameras to this system? You can add more (only ZOSI) 8MP or 5MP POE bullet or dome cameras. But the total number of cameras connected to the NVR should not exceed 8. Question 2: How to get the 4K 8.0MP resolution. (1) Please make sure that your TV monitor is 4K or better than 4K resolution, and connect the NVR to your TV monitor. (2) Setup the system, and go to Main Menu- Set up-Basic to change the “Video Output” to “3840 2160″ manually. Question 3: Why can’t I hear audio when watching live on NVR? The NVR can transmit audio only when the monitor/TV is connected via HDMI cable, otherwise the monitor/TV will have no sound output. The quality of the image is related to where you install this camera. Better to install cameras in a position with a wide field of vision, and the best outdoor installation height is 4-8 meters. The direction of the lens should avoid the angle facing the light source as much as possible. The installation environment should avoid a high dust environment as much as possible.