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			Model
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			4 Channel H.264 DVR
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			8 Channel H.264 DVR
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			DVR-H3804BW (A,K,R)-S
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			DVR-H3808BW (A,K,R)-S
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			System
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			Main processor
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			Industrial grade embedded micro controller chip Huawei Hisilicon chipset 3520A
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			Operating system
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			Embedded LINUX operating system
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			System resource
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			Multi-channel real-time recording synchronously, multi-channel real-time playback,  
			multi-channel multi-user network operation, USB back up.
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			Display
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			Operation interface
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			16 bit real color GUI interface support mouse operation
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			Multilingual Language
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			YES, 28 kinds of language
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			Display screen
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			1/4 screen
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			1/4/8/9 screen
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			Video
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			Video standard
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			PAL(625 lines, 50fps); NTSC(525lines, 60fps)
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			Image encode
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			H.264(Main Profile); JPEG Snapshot
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			Monitor quality
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			Monitor:D1; VGA & HDMI: (1920*1080,1280*720,1440*900,1280*1024,1024*768, 800*600)
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			Playback quality
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			960H/D1/HD1/CIF
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			D1/HD1/CIF
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			Encode capability
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			4CH real time 960H/D1
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			8CH non-real time 960H@12fps;  
			8CH real time D1@25fps;  
			8CH non-real time D1@15fps
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			Decode capability
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			4CH real time 960H/D1
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			2CH 960H@12fps; 
			 4CH D1(1D1@25fps+3D1);  
			8CH D1@15fps
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			Multi-mode input
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			NO
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			Audio
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			Audio compression
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			G.711A
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			Record and playback
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			Record mode
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			Manual, alarm, motion detection, timing
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			Snapshot
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			D1 mode: Support automatic capture function (0.5 S/frame,1 S/frame…5 S/frame)
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			Local playback
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			Max. 4CH 960H / D1 playback / 4*960H@25fps
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			Max 2CH 960H@12fps; 
			 Max 4CH D1(1D1@25fps+3D1);  
			Max 8CH D1@15fps
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			Video search
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			Time, date, event, channel search
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			Storage and back up
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			Space Usage
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			Video: CIF 4~5G/day*channel; D1 8~20G/day*channel; Audio: 691.2M/day*channel
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			Video storage
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			Local Hard Disk, Network
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			Back up mode
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			Network backup, USB portable HDD, USB DVD-RW
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			Interface
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			Video input
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			4CH BNC(1.0Vp-p,75?)
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			8CH BNC(1.0Vp-p,75?)
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			Video output
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			1CH BNC(1.0Vp-p,75?), 1CH VGA, 1CH HDMI
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			Audio input
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			4CH RCA  (200-2800mV,30K?)
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			Audio output
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			1CH RCA (200-3000mV,5K?)
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			Alarm input
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			4CH optional
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			Alarm output
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			1CH optional
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			Network port
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			1*RJ45 10/100 Base-T self-adaptive Ethernet port
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			PTZ control
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			1*RS485 port,Support more than 20 kinds protocols.
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			USB port
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			2*USB 2.0 port
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			HDD port
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			Accommodates 1 SATA HDDs (1 HDD capacity up to 3TB)
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			Wireless Port
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			3G & WIFI (extension via USB port)
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			User
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			User level
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			Admin / User
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			User right
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			Users can set different permissions (How to use please refer to the manual book)
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			Password protection
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			YES
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			Remote
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			Remote Independent Operation
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			YES
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			Download records
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			YES
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			Remote Event Trigger Recording
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			YES
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			CMS
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			CMS Software for multiple DVR (up to 255 DVR simultaneously)
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			Browser
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			Internet Explorer, Mozilla Firefox, Google Chrome, Safari
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			Live Audio
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			YES
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			On-line user
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			Max. 10
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			Mobile Surveillance
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			YES (Support iPad, iPhone, BlackBerry, Windows Mobile, Symbian & Android;iPad, iPhone, Andriod have remote playback function)
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			Network Protocol
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			DHCP, PPPOE, FTP, DNS, DDNS, NTP, UPNP, EMAIL, IP authority, IP search, Alarm center
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			Alarm
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			Motion detection
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			16 × 12 grids per channel;6 adjustable parameters for accurate detection(for local analog channel only)
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			Event Notification
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			FTP / E-Mail
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			Pre-alarm Recording
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			YES
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			Video loss
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			Video loss notification
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			Other
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			IR remote controller
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			Remotely control DVR and PTZ cameras via IR transmitter (IR receiver built-in)
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			Cooling fan
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			NO
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			Tour
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			YES
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			Power Source (±10%)
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			DC 12V / 2A
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			Power Consumption (±10%)
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			<15W (Without HDD)
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			Operating Temperature
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			0? ~ +55?
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			Dimensions (mm) **
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			325mm(L)* 245mm(W)* 52mm(H)
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