ZOSI 16CH 4K PoE Security Camera System with Person Vehicle Detection,2 Way Talk,Sound&Light Siren,Night Vision,12pcs 4K Outdoor Indoor IP Cameras,16Channel 8MP NVR with 4TB HDD for 24/7 Recording - 16DK-2258W12-40-US

• 【Person Vehicle Detection & Instant Alerts】Our camera is equipped with intelligent AI detection technology to precisely identify people and vehicles, reducing false notifications. Receive instant push notifications and email alerts when motion event is detected. 【4K Ultra High Definition & 100ft Night Vision】This camera is equipped with a high-definition 4K CMOS image sensor, which allows the camera to capture more light, thereby enhancing color, contrast, and low-light performance. Up to 100ft night vision and with advanced starlight sensor, it can capture brighter full-color videos even at night, providing users with crystal-clear footage day and night. 【Two Way Audio & Sound Light Alarm】Stay connected with your family using the built-in microphone and speaker. Talk to your kids, comfort your dog, or greet the delivery man through the free Zosi Smart App. Activate the ultra-bright spotlight and siren to deter intruders when human motion is detected. 【16CH 4K Expandable PoE NVR】Our 16 Channel 8MP PoE NVR with simple PoE connections, making it easier to set up and install your security camera system. It provides you the flexibility to add additional cameras. You can add more (ZOSI only) 8MP, 5MP, 4MP or 3MP PoE bullet or dome cameras. 【24/7 Recording with 4TB Hard Drive】Built-in 4TB security-grade hard drive provides reliable 24/7 recording. It supports long-duration continuous recording and USB backup. The NVR can be set to automatically overwrite the oldest footage stored internally, or you can transfer these video files to a memory stick or external hard drive via USB.