4MP Super HD Image Quality. Get an incredibly clear view of everything with stunning clarity and resolution. Infrared lights combined with 3D-DNR and built-in WDR shows extraordinary detail and low noise even at night. Detect Person, Ignores Distraction. AI-based system smartly separate people from other distractions, identifying true threats only. Alert You to True Threats. Receive instant and accurate alerts via App push notifications and emails. Plug & Play, Easy PoE Setup. One Ethernet cable for power, video and audio connection. Audio Recording for Extra Protection. Built-in mic captures high fidelity audio and offer you critical evidence. You decide where the events will or will not be detected by drawing a specific detection area. This security system supports 24/7 non-stop recording of all cameras at the same time. View it Live, Anytime, Anywhere. Remote access, whenever and wherever, via free Zosi Smart App/AVSS Client. Smart Playback, Never Miss Any Moment. Review recorded footage with highlighted lines on the timeline that indicate motion events. Encased in solid aluminum shell, the robust camera withstand harsh weather conditions. It keeps you protected inside and out. Save Space on HDD. 264 coding, advanced H. 265+ saves about 50% bandwidth and storage for longer recording time and better viewing experience. All-Round Home Protection with Single-Cable PoE Solution. 100% video quality preservation over long distance transmission. Video feeds are encrypted before transmission, making data interception difficult. A single ethernet cable transmit power, video and audio. Question 1: Can I add more cameras to this system? You can add more (only ZOSI) 5MP, 4MP or 1080P POE Bullet or Dome cameras. But the total number of cameras connected to the NVR should not exceed 8.