B01MV84QSF Revo America Ultra 16Ch. 4TB HDD 4K IP NVR Security System – Fixed Lens IP Cameras 6 x 4MP Audio Bullet Cameras & 6 x 4MP Turret Cameras – Remote Access via Smart Phone, Tablet, PC & MAC

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16 Ch. 4K H. 265 IP NVR with built-in 16 RJ45 PoE Ports
4MP Indoor/Outdoor IP Bullet Cameras (6)
4MP Indoor/Outdoor IP Turret Cameras (6)
4TB Video Surveillance Grade HDD
Hassle free software upgrade via Cloud