ZOSI 8CH 4K PoE Security Camera System with Audio,8PK 8MP IP Cameras with 2-Way Audio Weatherproof Dome Camera,4K 8 Channel H.265+ NVR with 2TB HDD,Color Night Vision,Human Detection

• 【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 even at night with the high Pixel count and be able to digitally zoom into far away objects without losing any quality. 【8CH 4K Expandable camera system】--This 4K security camera system include 8Channel 8MP PoE NVR, 4pcs 8.0MP PoE Cameras with one-way audio and 4pcs PoE IP Cams with two-way audio. 【Stable Plug and Play PoE System】--A single ethernet cable runs power and video transmission simultaneously between the 4K NVR and 8MP IP camera, making it easier to set up. Unlike the CCTV DVR systems, videos from the IP camera system will not be degraded or destroyed by cables. The digital signal will keep a 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 a 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.