iSmart 4 Channel 720P 960P 1080P HDMI NVR w/ 500GB HDD Rre-installed Security System Supports 4x IP Camera @30fps, Onvif Protocol, App Remote Viewing and P2P Web Login, D5004NH +500GB Package included: 4 channel NVR, backwards compatible with VGA and 720P IP Cameras; Support playback record at 4x 720P or 2x 1080P @30fps simultaneously, real-time to deliver video quality and performance that is exceptional in the consumer security technologies market; Cloud account log-in: My cloud creates a mobile video cloud service platform (including cloud storage/ cloud sharing/ cloud video/ remote playback/ remote alarm/ push notification) for you, enjoy the service anytime & anywhere; Motion detection alert with snapshots via email, P2P: Plug and play, Free DDNS for remote viewing; Supports Onvif compliant IP cameras. Features fast processor to ensure that recorded video is captured without stutter, lag, or gaps in footage. Intelligent search, playback, and backup functions provide enhanced ease of use and security (for example, triggered detection).