BOLLNG 8 Channel 4K PoE Security Camera System, 8MP 8CH H.265 NVR with 4TB HDD, 8pcs 4K Outdoor PoE IP Dome Cameras, AI Human Detection, 24/7 Video Audio Recording, 8-CH Simultaneous Replay

【4K Ultra HD POE Camera System】：The 4K (8MP/3840x2160) POE IP cameras delivers 4 times the clarity of 1080p, and is equipped with a 2.8mm lens and Sony CMOS image sensor, which can provide you with a 108° ultra-wide viewing angle and a true 4K ultra-clear video surveillance experience. The 4K 8MP PoE IP cameras can provide 100 feet of night vision, and the built-in microphone allows you to listen to important sounds. 【24/7 Video and Audio Recording, 4TB Hard Drive Pre-Installed】：This 8MP 8-channel NVR supports 4K video input/output, and can play or playback 8 IP cameras at the same time. Advanced H.265 video compression technology can save hard disk storage space and take up less bandwidth without sacrificing any video quality. A 4TB hard drive is pre-installed in the 8MP 8CH PoE NVR, which can provide you with reliable 24/7 recording to protect your property and family safety. 【POE Power Supply, Plug and Play】：Power over Ethernet technology allows you to easily connect and install a