Monitor your property with the 16-Channel 4K UHD NVR with 3TB HDD & 8 5MP Color Night Vision Bullet Cameras from Lorex. This 4K UHD 16-channel NVR manages and can record from up to 16 cameras. It comes preinstalled with a 3TB HDD that is expandable to 12TB. Space-saving H.265 and H.264 video compression offer reduced file sizes and improved performance for remote viewing while maintaining the best quality possible. The Lorex Secure app enables live viewing, playback, video recording, and snapshots via your iOS or Android device. Additionally, you can control your security system over the internet via Windows and Mac PCs.