The Lorex Premium 960H 8-Ch 1TB Network DVR & 4 Night Vision Security Cameras System features 960H (960x480) records with 34% more resolution offering a true to life aspect ratio that provides sharper, more detailed and non-stretched images. The Mirror Hard Drive Recording secures your recordings by backing up footage to an external hard drive at the same time as recording to the DVR hard drive. Covert camera feature allows the DVR administrator to monitor cameras while hiding them for regular users. Keep in Touch with your world on your smart phone, tablet, PC or Mac. Use the most touch intuitive DVR that's compatible with Windows 8 to connect, view and control your system.