4ch stand alone DVR with H.264 dual-stream video compression,4 Channel D1 real-time preview ,DVD-RW function, alarm function

Feature: 4 channel simultaneous real-time playback. 4 Channel D1 real-time preview . H.264 dual-stream video compression.  DVR8504H  4ch stand alone DVR  Features:4 channels standard DVR   4 Channel D1 real-time preview   H.264 dual-stream video compression   VGA /BNC synchronous video output    4 channel simultaneous real-time playback, GRID interface & smart search    Smart video detection: Motion Detection, camera blank, video loss   Easy backup: USB devices, DVD-RW, network download   Built-in web server, Support CMS, NAT traversal    Support Mobile monitoring (3G), Iphone, Blackberry, Symbian   

Product Specifications
Model	DVR8504H
System
Main Processor	High performance embedded microprocessor
Operating System	Embedded LINUX
System Resources	Pentaplex function: live, recording, playback, backup & remote access
Control Mode	Front panel, USB mouse, IR remote control, Keyboard, Network
Video
Input	4channel, BNC (1.0Vp-p/75Ω)
Standard	PAL system (25 frames / sec) NTSC system (30 frames / sec)
Output	1VGA, 1BNC(1.0Vp-p/75Ω)
Audio
Input	2channel, BNC(200-2000mV 10KΩ)
Output	1 channel, BNC(200-3000mV, 5KΩ)
Bidirectional Talk	Same with audio input channel 1
Display
Display Split	1/4
Resolution	1280 ×1024, 1280×720, 1024×768, 720 × 576, 720 × 480
Tour Display	Support
Privacy Masking	4 self-defined four-sided zones for privacy masking for each camera
OSD	Camera title, time, video loss, camera lock, motion detection, recording
Recording
Video/Audio Compression	H.264 / G.711
Image Resolution	D1 (704×576/704×480)/4CIF(704×288/704×240)/CIF(352×288/352×240)
Encoding Speed	Main Stream: full 4ch D1 (25/30fps)/4ch@CIF(25/30 fps)
	Extra Stream: CIF 352×288/ 352×240; QCIF 176×144/176×120
Bit Rate	32~4096Kb/s
Image Quality	CBR, VBR(1~6 level, level 6 is the best)
Recording Mode	Manual, Schedule(Regular(Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), Alarm), Stop
Recording Priority	Manual >Alarm >Motion Detection >Regular
Recording Interval	1~120 min. (default: 60 min.), Pre-record: 1~30 sec., Post-record: 10~300 sec.
Video Detection & Alarm
Trigger Events	Recording, PTZ movement, Tour, Alarm, Email, FTP, Buzzer & Screen tips
Motion Detection	Zones: 396(22×18), Sensitivity: 1~6 (level 6 is highest)
Video Loss & Camera Blank	Support
Alarm Input	2 channel
Alarm Output	1 channel, Alarm triggering screen tips, buzzer, e-mail
Playback & Backup
Playback Channel	4
Search Mode	Time/Date, Alarm, Motion Detection & Exact search (accurate to second)
Playback Functions	Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom(any size)
Backup Mode	Flash drive / USB HDD / USB CD/DVD-RW / Network download
Network
Ethernet	RJ-45 port (10/100/1000M)
Network Functions	HTTP, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server
Remote Operation	Monitor, PTZ control, Playback, System setting, File download, Log information
Hard Disk
Hard Disk	2 SATA port, Max 4TB HDD supported
Space Occupation	Audio: 28.8MB/H, Video: 56~1800MB/H
HDD Management	HDD faulty alarm
Auxiliary Interface
USB Interface	2 ports, 1 for mouse control, 1 for backup
RS485	PTZ control
Environmental
Power Supply	DC 12V / 3A
Power Consumption	6W (Exclude HDD)
Working Environment	0°C ~+55°C / 10~90%RH / 86~106kpa
Dimension	350 × 58 × 272mm(W × H × D)
Weight	Net weight: 2.4Kg   Gross Weight 3.8kg  (Exclude HDD)

4ch stand alone DVR with H.264 dual-stream video compression,4 Channel D1 real-time preview ,DVD-RW function, alarm function