Reolink 16CH 5MP PoE Home Security Camera System, 8 x Wired 5MP Outdoor PoE IP Cameras, 5MP 16 Channel NVR Security System w/ 3TB HDD for 7/24 Recording Super HD RLK16-410B8-5MP 5 Megapixels & 100ft Night Vision2560x1920 super HD detailed image and up to 100ft night vision video monitoring, 3,000,000 more pixels than 1080P, 300% more detailed than 720P. You will truely get rid of struggling to see the details with 720P or 1080P analog videos. Plug & Play PoE SystemTaking out the 60ft network cables from the video surveillance kit and connect the security cameras to the NVR ports, you can see the security camera system working with videos immediately via HDMI monitor. It is as easy as analog camera kit. Stable & Lossless Video QualityUnlike CCTV DVR system, videos from the IP camera system will not be degraded or destroyed by cables. The digital signal will keep real 5mp high definition image via 300ft CAT6 ethernet cables. You will have no worry about the coaxial cable quality for DVR and analog cameras that will affect much on its image, even within 100ft. HDD Storage & Remote PlaybackWith pre-installed 3TB HDD, it can keep around 7 days of 24/7 videos for 8 cameras simultaneously without overwriting. Without opening the NVR casing, you can add one external 4TB HDD via its e-SATA port. With FREE Reolink app. for android and iPhone, all videos in the HDD can be playback remotely in your hand anywhere anytime. Reolink 4MP & 5MP Cams CompatibleWith 16 PoE ports on the NVR video recorder, the security system is expandable to work with maximum 16 Reolink poe, wifi, fixed lens, Autofocus, bullet, dome, 4MP or 5MP cameras. <span class="a-text-bold">IP Video Input</span>: supports 16 IP cameras <span class="a-text-bold">Video Output</span>: Monitor or HDTV via VGA, HDMI <span class="a-text-bold">Compression Format</span>: H.264 <span class="a-text-bold">Playback</span>: 4 cameras play simultaneously <span class="a-text-bold">HDD Capacity</span>: 2x internal port, 1x external port, 4TB for each port(support up to 12TB in total) <span class="a-text-bold">Power over Ethernet Sockets</span>: RJ45 X 16 <span class="a-text-bold">USB Port</span>: USB 2.0 x 2 <span class="a-text-bold">Working Temperature</span>: -10~+55(14F~113F) <span class="a-text-bold">Remote Access</span>: iPhone/Android Phone, Windows/Mac PC <span class="a-text-bold">Image Sensor</span>: 1/2.7&#034; 5 Megapixel CMOS (2560 x 1920) <span class="a-text-bold">Lens</span>: 80@4.0mm <span class="a-text-bold">Night Vision</span>: 65-100ft, 18pcs IR LEDs <span class="a-text-bold">Viewing Angle:</span> Horizontal: 80, Vertical: 58 <span class="a-text-bold">Audio</span>: Built-in Mic <span class="a-text-bold">Power</span>: Power over Ethernet <span class="a-text-bold">Working Temperature</span>:-10~+55(14F~131F) <span class="a-text-bold">3TB HDD Pre-installed. </span> The 3TB hard drive can be replaced up to a 4TB hard drive. Allow you to install another internal HDD via SATA (up to 4TB) and an external HDD via e-SATA for more storage (up to 4TB). Support all cameras recording at the same time (up to 8 cameras). If you want longer recording, try motion detection recording, which will trigger recording only when motion is detected.