Origin	China
Model Number	CDVR-8504V
Brand Name	Caraca

Compress format    H.264, PHILIPS PNX 1701 Chip，save more space
Operating System   Linux   System
Video Input     BNC 4-channel inputs
Video Output     BNC 2-channel output
Audio Input    RCA 2-channel inputs
Audio Output    RCA 2-channel outputs
Display Resolution   PAL:720x576     NTSC:720x480
Display Frame    PAL:100fps (4x25fps)            NTSC:120fps(4x30fps)
Record Resolution   NTSC: 360×240       PAL: 360×288
Record Frame    NTSC: 120fps (4x30fps) / PAL: 100fps (4x25fps)
HDD Interface    1*SATA / support to   1000GB
Record Mode    Manual / Motion detection / Time schedule / Sensor triggered
Sensor Alarm    4-channel inputs / 1-channel output (alarm)
PTZ Control    RS-485
Simplex/Duplex/Triplex   Diplex
Backup            USB 2.0 port /  (CD-RW/35USD, DVD-RM/58USD Extra, Optional)
Network Interface          RJ45, TCP/IP  protocal，support LAN、WAN and motion ADSL
Network Monitoring    IE
Remote Control     IR remote control
VGA Output     1-ch VGA out
Power Supply     DC 12V / 3A
Dimension and Weight       360 x 55 x 270mm, 4kg
Menu Language            English