 
            | Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More | 
|---|---|---|---|---|---|
| Price /Unit | $25.47 | $24.95 | $24.17 | $23.13 | Contact US | 
	4 Channel USB DVR Audio Video Acquisition Adapter PAL/ NTSC Brand New
	
	
	
	Features:
	Schedule record mode.
	Motion detection mode.
	Sensor alarm record mode.
	Recycling record mode.
	P.T.Z control function.
	Users management.
	Multi-channel display.
	Support 320x240/ 640x480(NTSC), 352x288/ 704x576(PAL) standard resolutions.
	Image color adjustable for each channel, including contrast, lightness, hue and saturation.
	MPEG4 compression format, greatly reduce HDD usage.
	Powerful video playing back functions, including playing back, pause, stop, fast-forward, single-frame play and image acquisition.
	Support advanced search mode. Users can search by date/time, camera, record mode, and random combination of the three methods.
	Support recorded files backup, delete by date/time, camera.
	Convenient to extend system functions by software upgrade.
	CPU and storage resources saving by advanced technology.
	Remote Surveillance and P.T.Z control through LAN, Intranet, and Internet.
	Support alarm pre-record.
	Support buzzer, email alarm out.
	Can greatly decrease fragmented files while using NTFS partition.
	User-friendly graphical user interface.
	Resolution: 640x480 (NTSC), 352x288/ 704x576(PAL).
	Maximum Frame rate per channel: 25 fps (PAL), 30 ftp (NTSC).
	Screen set: resolution 1024 x 768, color quality 16 bits or 32 bits.
	Compression code rate: 50kbps -1.2Mbps.
	Format: PAL/ NTSC
	Data format: MPEG4
	
	Specifications:
	Format: PAL/ NTSC
	Resolution: 640x480 (NTSC), 352x288 / 704x576(PAL),
	Maximum Frame rate per channel: 25 fps (PAL), 30 ftp (NTSC)
	Screen set: resolution 1024 x 768, color quality 16 bits or 32 bits
	Compression code rate: 50kbps -1.2Mbps
	Data format: MPEG4
	Dimensions: 88 x 60 x 24 mm (L x W x D)
	
	System Requirements:
	P4 1.7GHz CPU or above
	80G HDD and 256MB RAM, or above
	VGA card with 64MB memory
	Windows 2000/ XP/ Vista/ Windows 7( Do not support 64bit)
	Microsoft DirectX 9.0 or above
	One available USB 2.0 port
	
	Package list:
	- 1 x 4Channel USB DVR
	- 1 x USB Connection Cable
	- 1 x Software and CD Drive