4 channel DVR with Network Function TT-DVR-7004HE Series DVR Front  Panel     TT-DVR704HE Rear Panel TT-DVR-7004HE 　  Product Features: Features: H.264 video compression. Support multi-zone motion detection. Support mask function to mask sensitive area. Support view tampering alarm function for spiteful camera block. Support video signal loss alarm function. Support position configurable OSD&LOGO. Support both constant bit rate and variable frame rate. Storage function: For TT-DVR-HE, support 4 HDD or 2 HDD and 1 IDE CD-RW/DVD-RW, and each HDD can maximum support 2000GB. Support HDD sleep mode. Support HDD S.M.A.R.T function. Support FAT32 file system. Support many record mode: all time record, motion detect record, external alarm record, motion & alarm record, motion | alarm record, manual record. Support cycle and non-cycle record mode. Support USB flash disk, USB hard disk and USB CD-RW/DVD-RW for backup. Preview & Playback function: Support monitor video output. Support VGA output. Support playback fast, slow, pause, forward, backward, frame by frame, etc. Use define preview layout. Support one channel playback Network function: Support TCP, UTP, RTP, Multicast, DHCP, etc. Support ADSL (PPPoE) dialup function. Support narrow band (PSTN) dialup function. Remote parameters setup. Remote playback, download the recorded files in DVR. Remote upgrade DVR firmware. Remote control PTZ. Support Internet Explore for network preview. Remote get alarm information of DVR. Others: Support PTZ local and remote control. Support multi-lever user management. Support local and remote search log function. Automatically recovery from exceptions leads to high reliable. Provide SDK and demo source code to shorten the application development time. 　  Technical specification data 　 Model name TT-DVR-7004HE Video compression H.264 Preview resolution PAL: 704*576 (4CIF),  NTSC: 704*480 (4CIF) Playback resolution 2CIF/CIF/QCIF Video input 4 Video input interface BNC (Electrical Level: 1.0Vp-p, resistance: 75Ω) Video output 1 channel, BNC (Electrical Level: 1.0Vp-p, resistance: 75Ω) Video loop out 4 Total frame rate Total frame    100/120 fps  CIF             70/84 fps  2CIF Stream type Video/Video&Audio Max bit rate 32Kbps--2Mbps, self-define Audio input 4 Audio input interface RCA (Linear Electrical Level, Resistance: 600Ω) Audio output 1 channel, RCA (Linear Electrical Level, Resistance: 600Ω) Audio compression OggVorbis Audio compression rate 16Kbps Communication interface 1 RJ45 10M/100M Self-adaptive Ethernet Interface 1 RS232 interface 1 RS485 interface HDD IDE interface 2 IDE interface, can support 4 IDE HDDs and each HDD can support 2000GB or 2 HDDs + IDE CD-RW/DVD-RW USB interface 1 USB interface, USB1.1, can support USB flash memory, USB HDD, USB CD-RW/DVD-RW. VGA interface 1 VGA interface, support resolution: 800×600/60Hz, 800×600/75Hz, 1024×768/60Hz External alarm in 4 Relay output 2 Power supply 100~240VAC, 6.3A, 50~60 HZ Power consumption 20--42W (without HDD) Working temperature -10℃--＋55℃ Working humidity 10％--90％ Size 14.25 inch standard (440mm*390mm*70mm) Weight ≤8Kg (without HDD and CD-R/W) Typical linkage	Digital Video Recorder (DVR) Picture: