Here are my recommended:
Main Features of DVR:
MPEG4 compression & network transmission
SOC single chip, high stability
Linux operating system
Full-D1 live monitoring, each or quad display
High-resolution playback picture quality
Audio recording available
Motion detection & sensor triggered recording
Motion detection: settable area & sensitivity
Support hiding an appointed channel
Configurable record picture quality & frame rate
Network: IE based monitoring
With remote control
Support PTZ control via built-in RS-485 port
Video loss alarm function
Password protection
Built-in USB2.0 port for video backup to computer
Self-recovery after power reconnected
Optional thumb drive USB backup
Parameters of DVR:
Model QFD6714
Video Compression MPEG4
Video System NTSC / PAL
Operation System Linux
Video Input / Output BNC 4-channel inputs / 1-channel output
Audio Compression 8kHz*16bit ADPCM
Audio Input / Output RCA 4-channel input / 2-channel outputs
Display Frame Rate PAL: 100fps / NTSC: 120fps
Playback Resolution PAL: CIF(352x288), HD1(704x288), D1(704x576)
NTSC: CIF(352x240), HD1(704x240), D1(704x480)
Total Recording Frame Rate PAL: 25fps@D1, 50fps@HD1, 100fps@CIF
NTSC: 30fps@D1, 60fps@HD1, 120fps@CIF
Recording Mode Always / schedule / motion detection / sensor triggered
Recording Pack Time 15/30/45/60mins selectable
HDD Interface Support SATA HDD & USB disk
Network Interface RJ45, 10M/100M
Network Protocol Support TCP/IP, UDP, DHCP, DNNS, PPPoE
Network Function Support to live view with IE (Internet Explorer) & with Mobile phone
USB2.0 USB mouse, USB disk (backup, upgrade)
Playback Mode Normal play, fast forward, fast rewind, frame by frame
Backup Backup AVI file via USB flash disk, USB disk, USB CD/DVD-RW & Network
PTZ Control Built-in RS485, support PELCO-P & PELCO-D
Alarm Mode Motion Detection, Sensor triggered, video loss, HDD error, HDD full
Senor & Alarm I/O 4 sensor inputs / 1 alarm output
Monitor 7' indash LCD monitor
Power Supply DC 12V/5A (power adaptor included)
Power Consumption 10~15W
Working Temperature -10°C to +40°C
Working Humidity 10% to 90%
Dimension 239 x 121 x 207mm (W x D x H)
Just need 525usd/set (Price included 250GB HDD)
