Reolink 4MP 8CH PoE Video Surveillance System, 2 x Bullet & 2 x Dome Wired Outdoor 1440P PoE IP Cameras, 5MP/4MP Supported 8 Channel NVR Security System w/ 2TB HDD for 7/24 Recording RLK8-410B2D2 Plug & Play PoE Camera System--Simple PoE connection, just plug the security camera to the NVR. So easy set up even for a beginner. Cameras can run up to 270ft via CAT5 or 330ft via CAT6 Ethernet cable. Built-in 2TB security grade Hard Drive-- Support 8 channels simultaneously recording. Secure your home & business indoors & outdoors 24/7. Motion triggered recording is also supported. NVR can be set to automatically overwrite the oldest footage or you can export those video files via an USB drive. 4MP Super HD & Vivid Night Vision-- Get magnificent images/videos with 1440p cameras day or night. Advanced automatic IR-cut filter can capture night vision up to 100ft in darkness. See all objects clearly and leave no questions. Remote Access From Anywhere Anytime-- The free App "Reolink" allows you add unlimited quantity of Reolink cameras, you can remotely view all of your cameras in one App, check in on your home or business whenever and wherever. Live View and playback on smart devices (iPhone, Android ,Ipad) with WiFi or 2G/3G/4G Anywhere Anytime. 2 Years Warranty--30 days money back guarantee, 2 years quality warranty, life time Tech Support ! we will replace your products on manufacture's defects within 2 years. <span class="a-text-bold">IP Video Input</span>: supports 8 IP cameras <span class="a-text-bold">Video Outputs</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>: 1x internal port, 1x external port, 4TB for each port(support up to 8TB in total) <span class="a-text-bold">Power over Ethernet Sockets</span>: RJ45 X 8 <span class="a-text-bold">USB Port</span>: USB 2.0 x 2 <span class="a-text-bold">Working Temperature</span>: -10~+45(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; 4 Megapixel CMOS (2560 x 1440) <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">Power</span>: Power over Ethernet <span class="a-text-bold">Working Temperature</span>:-10~+55(14F~131F) <span class="a-text-bold">2TB HDD Pre-installed.  </span>The 2TB hard drive can be replaced up to a 4TB hard drive. Allow you to install an external hard disk drive 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.