ZOSI 16CH 4K PoE Security Camera System with 4TB HDD,8pcs 4K 8MP Indoor Outdoor PoE IP Cameras,AI Face Person Vehicle Detection,2 Way Audio,Spotlight Color Night Vision,Siren Alarm,for 24/7 Recording - 168B4-1828X2258W4-US

• [4K UHD and Color Night Vision] With our 4K UHD PoE Cameras, it can capture very detailed images. High resolution and the ability to digitally zoom in without sacrificing quality provide greater visibility and clarity. Up to 100ft night vision, so you can see clearly even at night, help you protect your property. [Face/Person/Vehicle Detection with Push Alerts] Our AI-powered detection feature intelligently recognizes faces, people, cars, and other objects, eliminating pointless alerts. Receive email notifications and push alerts instantly when motion events are detected. Stay informed of any activity with our advanced AI detection system. [2-Way Audio and Remote Access] With our smart camera, which has a built-in speaker and microphone, you can have real-time conversations with your loved ones, coworkers, or guests. Share camera views, talk, and access recordings remotely from anywhere at any time through our free ZOSI Smart app. [Dual-Disk Backup for 24/7 Recording] With our dual-hard drive design, you can enjoy extended continuous recording and USB backup. Support 2 x 6TB hard drives (which are not included) at a time. With a built-in 4TB secure-grade hard drive, rely on our NVR for reliable all-day recording. Additionally, you can choose to use the USB for transferring video files to an external hard drive or USB thumb drive, or configure the NVR to automatically overwrite old footage. [4K 16-Channel NVR Expandable to 24CH] Our expandable solution makes it simple to convert your 4K 16-channel NVR system to a 24-channel system. A total of 24 PoE cameras can be supported by adding a PoE switch (which is not included). So you can take advantage of the possibility of expanding your surveillance system with additional 8MP, 5MP, 4MP or 3MP ZOSI PoE cameras (please note that Only ZOSI PoE cameras are compatible)