Item Tag: 8.2
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16 Channel 4K PoE Security Camera System 4TB HDD, Smart-AI-Human-Detection,
2 3.5″ SATA HDD ports, support up to 20TB. Capture video & audio. Save storage space.
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4CH 4K NVR PoE System 4x3MP Outdoor IP Cams 1TB HDD
【24/7 Recording with 1TB Hard Drive】 With a built-in 1TB security-grade hard drive（expandable to 10TB）, you can reliably record everything 24/7. It supports long continuous recording and easy backup.