Sell 4ch d1 dvr @China (Mainland)

Model

SY-4004B

System

Main Processor

High performance embedded microprocessor

Operating System

Embedded LINUX

Control Mode

Front panel, USB mouse, IR remote control

Video

Input

4 channel BNC

Output

1 CH BNC & 1 CH VGA

Audio

Input

4 channel RCA

Output

1 channel

Display

Display Split

1/4

Live Resolution

D1 (PAL:704*576  NTSC:704*480)

Recording

Video/Audio Compression

H.264 / G.722

Recording Priority

Manual >Alarm >MD （motion detect）>Schedule

Video Detection&Alarm

Alarm Input

4 channel

Relay Output

1 channel

Playback&Backup

Playback

4ch CIF Playback Resolution( 1 ch D1 adjustable)

Backup Mode

USB Device / Remote / Local HDD Backup

Hard Disk

Hard Disk

2x SATA HDD up to 4TB supported 

Auxiliary Interface

USB Interface

2 ports, 1 for mouse control, 1 for backup

RS485

1x  for PTZ control

Dimension

size

340×260×65mm