【Expandable 8-Channel NVR with 16CH Support】Start with 8 Channel NVR and expand up to 16 channels by adding a PoE switch(sold separately). This flexible 8-port NVR supports plug-and-play connection with additional ZOSI 8MP/5MP PoE cameras (bullet or dome), allowing you to build a customized surveillance system for complete property coverage 【Audio Recording & Weatherproof Metal Camera】With built-in microphone in the camera, it can support audio recording, you can hear the other party talking, but not the conversation.This Camera use Aluminum Metal materials, Can be installed in almost any outdoor or indoor place. Up to 100ft night vision in total darkness 【AI-Powered Human Detection with Smart Alerts】Minimize false alarms with AI that accurately distinguishes people from other motion. Set custom detection zones and get instant image notifications on your phone. Trigger the built-in spotlight and siren directly from ZOSI Smart app to ward off intruders 【4K Remote Live View & Smart Instant Playback】Monitor your home in crystal-clear 4K from anywhere, anytime via ZOSI Smart app. The intuitive smart timeline lets you jump to any event in seconds for instant playback and review. Share access with family for joint monitoring 【True 24/7 Local Recording with No Monthly Fees】Enjoy total cost control with the pre-installed 2TB hard drive for reliable, non-stop recording. It auto-overwrites old footage or lets you back up crucial clips via USB. Your data stays private and free forever, no cloud subscriptions ZOSI 8CH 4K PoE Security Camera System – Your All-in-One, Professional Home Security Solution Why This System is The Smarter Choice for Total Security Stop compromising on your family's safety. The ZOSI 8CH 4K PoE System isn't just another security camera kit—it's a future-proof, professional-grade surveillance ecosystem designed for homeowners who demand clarity, reliability, and complete control. Unlike systems that lock you into monthly cloud fees, our solution delivers true 24/7 recording with zero recurring costs, putting your data and your budget back in your hands. From the expansive 16-channel capacity to the crisp detail of 4K Ultra HD, this system grows and adapts with your needs, ensuring your investment protects you today and for years to come. AI-Powered Human Detection: Get smart alerts you can trust. Advanced AI filters out false alarms from animals or leaves, notifying you only when a person is detected. Plug, Play, & Expand: The 8-channel NVR powers and connects everything with a single cable. Easily expand to 16 cameras for total property coverage. True Local Storage, No Monthly Fees: The pre-installed 2TB hard drive ensures reliable recording with no hidden cloud subscription costs ever. Remote Access & Instant Playback: Monitor your home live in 4K from anywhere and find any moment in seconds with an intuitive, smart timeline. In-Depth Feature Breakdown: How It Works for You 1. Unmatched 4K Clarity & Night Vision See Every Detail, Day or Night. Our advanced 4K CMOS sensor captures footage with vivid color, sharp contrast, and stunning detail—far superior to blurry 1080p systems. When the sun goes down, the camera’s enhanced sensors and optional spotlight activation work together to deliver clear, identifiable images in low-light conditions, so you never miss a thing. 2. Intelligent AI Detection & Proactive Deterrence From Reactive Monitoring to Proactive Security. Tired of false alarms every time a leaf blows? Our AI algorithm intelligently analyzes motion, distinguishing between humans.You’ll receive instant image notifications only when it matters. Custom Detection Zones: Draw specific areas in your yard or driveway to monitor. Built-in Deterrents: Use the ZOSI Smart App to manually trigger the spotlight and siren to scare off intruders in real-time, turning a passive camera into an active security guard. The included 8-port NVR provides simple plug-and-play setup—just connect the cameras, and the system powers and configures itself. As your security needs grow, you’re not stuck. By adding a standard PoE switch (sold separately), you can expand the system to support up to 16 total channels, seamlessly integrating additional ZOSI 8MP or 5MP PoE cameras (bullet or dome style). 3. Complete Remote Access & Smart Playback Your Home, In Your Pocket. With the free ZOSI Smart App, your property is always a tap away. Live 4K Viewing: Check in from anywhere, anytime, on your smartphone or tablet. Smart Instant Playback: Finding a specific event is effortless. Our intuitive timeline lets you jump to any minute of recorded footage in seconds—no more scrubbing through hours of video. Family Sharing: Securely share access with family members so everyone can help keep watch. 4. True 24/7 Local Recording with Zero Monthly Fees Own Your Security. Own Your Data. This system champions privacy and value. The pre-installed, high-grade 2TB hard drive provides ample space for continuous, reliable recording. It’s se