Monitor your property with the 16-Channel 4K UHD NVR with 3TB HDD & 8 5MP Night Vision Network Bullet Cameras from Lorex. This NVR comes preinstalled with a 3TB HDD. Storage is expandable to 20TB. Space-saving H.265 and H.264 video codecs reduce bandwidth requirements for efficient data storage while maintaining the best quality possible. The Lorex Home app enables remote viewing from an iOS or Android device.