[Human & Vehicle Detection]: The newest AI technology gives the camera an ability to differentiate between humans, vehicles, and non-important objects in the scene. It uses a deep learning algorithm to accomplish this feat, with Human and Vehicle Detection feature you could be alerted any time a person or vehicle entered your property. 2-Way Audio + H. 265+ Video Compression, a 3TB HDD Pre-installed Inside the NVR Box. By Customizing the Record Schedule or Record Type, Can make the HDD Works More effectively. (Newest Video Footage will Overwrite Oldest’s by Default) [Intruder Warning with Spotlight & Buzzer]: Smart. Hiseeu 4K POE NVR 16CH PoE Security Camera System 8PCS 5MP IP Security Camera. (Newest Video Footage will Overwrite Oldest’s by Default). [Intruder Warning with Spotlight & Buzzer]: Smart AI Activated Alarm Linkage, You have the option to Enable the Alarm Buzzer or Alarm Light(During the Night) When Person or Vehicle is Detected. Night Vision up to 60ft. Appliable for Indoor & Outdoor Video Surveillance. Camera View Angle Can Be Adjusted Manually (Not Pan Tilt Zoom Camera). [Intrusion & Crossing Line Detection]: While Configuring Smart Event, You Can Filter Between Motor Vehicle and Pedestrian. This Can Help you narrow down the triggering of the analytic based on the type of object present in the scene. By enabling Smart Motion Detection, you can focus the notifications or playback to only certain types or objects. This also reduces 99% of false positives from trees, clouds, rain, and other non-important types of motion viewed by the camera. [4K 8MP 8 Ports PoE NVR 16CH Expandable]: This NVR Built-in 8 PoE Ports (4K 8MP), can power on 8 PoE cameras at the same time, with an extra PoE switch(not included) can extend up to 16 Channels, Max can take up to 16Pcs 4K 8MP Cameras. True Plug-Play, PoE (Power over Ethernet) Camera, no need for additional power supply. Reliable & Stable Connection, No Wiring Hassles, No WiFi Signal Issue. [Work with or without Internet]: PoE Camera System Can Work Without Internet, You Can Get Live Video on Local Monitor Without Network Connected. After You Connect the System to Your Router, You Can Remote Access it From Mobile Device Or PC Client Anywhere Anytime. We Are Providing Free Mobile APP Guard View(iOS & Android) and PC Client. [You are very Important] Hiseeu grow up with you, We invest a lot of personnel and time in the pre-sales, in-sales, and after-sales process. We promise to reply to you within 12 hours. This is an important way for us to collect customer suggestions. We also offer samples and extra cameras as gifts for these suggestions. We always endeavor to assist our customers with the best of our service! ? Note: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing. We regret that we can not be responsible for any wrong or undeliverable addresses. If you are satisfied with our product, please leave. Which means a lot to us, thanks in advance. We guarantee against any defective products.