This 16 Channel DVR records professional quality widescreen video for up to 16 cameras. Multichannel playback function as well as searching and downloading. It Supports 720P, 1080P AHD, TVI, CVI and 960H Analog Cameras. Not compatible with SDI Security Cameras or over 2.4mp Cameras. DVR allows you to view live streaming or playback footage remotely by your phone and tablet with free Application. PC Monitoring with CMS/VMS software. 2TB Hard Drive installed for recording. Motion detection & push alert function: by customizing settings you can use this function to receive push alerts when there is an unexpected motion detected. USB Backup function for transferring your video footage to USB Flash Drive. 1-year warranty and free technical support.