DVR-AH2704P series are standard 4 CH 720P high resolution DVRs, which adopt the standard H.264 high profile compression format and the most advanced SOC technique to ensure recording in each channel and realize outstanding robustness of the system. DVR-AH2704P support 4 CH video input, 1 CH audio input, simultaneous 4 CH playback.
Features:
 4 CH AHD video input, 4 CH 1080P / 720P / 960H / D1 recording
. Adopt standard H.264 high profile compression format to get high-quality video at much lower bit rate
. Intuitive and user-friendly Graphics User Interface ( GUI ), window style, operation by mouse
. Multi-mode recording: manual / timer / motion
. Playback : 4 / 8 CH simultaneously playback
. Search: time / calendar, events ( motion )
. Express and flexible backup via USB, network
. Pentaplex: preview, record, playback, backup and remote access
. DHCP, DDNS, PPPoE network protocol, IE browse and CMS supported
. Remote control via IE or CMS : preview, playback, backup, PTZ and configuration

. Dual stream technology to encode recording stream and network stream respectively. User can adjust network stream to fit bandwidth without changing recording quality
. Multi-user online simultaneously
. Authorization management, log review and device status review
. HDMI 1080P output, true high resolution display
. Support PTZ preset and auto cruise, up to 128 presets and 8 cruises
. Powerful smart phone surveillance supporting iPhone, Android
. Support NAT funtion, support QR code scanning by mobile phone