ZOSI 4K Spotlight PoE Security Camera System with 2TB HDD,8 Ports 16CH 8MP NVR,4pcs 4K Wired Indoor Outdoor PoE IP Cameras with 2 Way Audio,Color Night Vision,AI Human Detection,for 24/7 Recording

• 【4K 8.0MP Ultra High Definition and Color Night Vision】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.In 4K resolution.Record everything with sharper details with the high Pixel count and be able to digitally zoom into far away objects without losing any quality. 【4K 8 Ports NVR Upgrade 16CH Expandable】This 4K 8-port NVR can expand up to 8 PoE cameras. If you additional purchase a PoE switch (not included), you can update to 16 channel system. It provides you with the flexibility to expand additional cameras. You can add more (ZOSI only) 8MP, 5MP or 2MP POE bullet heads or dome cameras. 【Stable Plug and Play PoE System】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.The digital signal will keep real 8mp high definition image via ethernet cables 【Remote Access & Human Motion Detection & Smart Light Alarm】Free app for live view & Playback on Mobile Phone with Wi-Fi anywhere anytime.This camera is alert and ready to react to any potential danger via smart light alarm system - triggered by human motion events or controlled manually to keep troubles away. 【Continuous 24/7 Recording with 2TB Hard Drive】Built in 2TB Security Grade Hard Drive,users are provided reliable 24/7 recording.Support ultra-long continuous recording and backup by USB. NVR can be set to automatically overwrite the oldest internally stored footage or you can transfer those video files by USB to a memory stick or external Hard Drive.