Real-time surveillance: 16 Channels simultaneous video viewing and recording. Multichannel playback functions, as well as searching and downloading. Compatible with all 1080P, 960P, 720P, TVI, AHD, CVI and Traditional Analog Cameras. 2TB Pre-Installed Hard Drive enables DVR to record 24/7, although device supports the following recording modes: Continuous / Manual / Motion / Schedule. View and Record in Widescreen with Remote Viewing on iPhone, iPad, and Android devices. Setting up is so easy! Simply download the smartphone App and scan the QR code.