4ch full D1DVR H.264 DVR CCTV DVR

Descripción del producto

Adopts graphical user operation interface, and supports USB mouse, panel and remote control.  True four-tasking synchronization function; recording, playback, network transmission and backup can work simultaneously.  *-channel video, *-channel audio full real-time and synchronous ; voice talkback 1RCA.  Under D1 Video resolution, PAL(**4x**6) format total recording resources is **0 frames and each channel can realize independent hardware compression at the speed of *5 frames(adjustable) per second. NTSC(**0x**0) format total recording resources is **0 frames and each channel can realize independent hardware compression at the speed of *0 frames(adjustable) per second. Video compression adopts H.**4 compression standard; supports constant bit rate, variable bit rate compression and variable frame rate compression.  Audio compression standard adopts ADPCM.  MAX supports 2�***0GB SATA HDD.  Timing recording, manual recording, motion detection recording and alarm recording, any mode for selection.  *-channel full D1 real-time recording and network transmission work simultaneously; *-channel to *-channel D1 playback.  Playback searches according to the channel number, recording type and recording time. Supports functions of fast forward, slow forward, single-frame, last section, next section *****  Supports one USB2.0 high-speed port. Provides backup of the video files on the hard disk; supports USB flash disk and USB hard disk. The backup file can be directly generated to be with AVI format.  Preview supports single-channel , multi-channel and single-channel auto-switch display.  Supports alarm when image blocked .  Supports multi-protocol RS**5 PTZ control, PTZ preset points, cruising and tracking functions; supports PTZ keyboard control.  *-channel alarm and *-channel alarm output. Supports alarm link function when motion detection and other anomalous events occur.  Can setup multiple user type authority customization. Besides o