Specification:

Video
  Video Input: 4 channels with BNC Jack connector
  Surveillance Channel: 6 cards at most, to form 24 surveillance screen display modes
  Screen Display Modes: 4/9/16/25
  Video Resolution:720*288, 352*288, 320*240 (configured by software)
  Total Frame Rate: 60 fps with NTSC; 50 fps with PAL
  ../../image// Color: Configurable independently for each channel
  Screen Watermark: Support time watermark for recorded files;
  Support words watermark on screen when previewed
Audio
  Audio Input: One channel using sound card
Recording
  Video Compression Format: Latest MPEG-4/ENCODE 9
  Compression Rate: Configurable, 30-120M Per hour of Action for each channel
  Media Format: dvr
  Filing Duration: 1 hour
  Recording Mode: Auto, manual, scheduled, motion detection
  Memorization: Circular filing in harddisks, support remote backup
  Digital Photo: When playback, support photo capture in BMP file format
Alarming
  4 sensor input, 4 alarm output
  4 monitoring channels, 4 step sensitivity scale, user selectable motion    detection area
  Auto alarm notification via e-mail and dial-out
Security
  Support Administrator and Ordinary User operation scale
  View only by Unauthorized Users
  Support encapsulating for individual screen, that is, recording without    surveillance
  For safety¡¯s sake, recorded video files cannot be editted
Network
  Support TCP/UDP protocol
  Remote Transmission Modes: PSTN for Modem of 56kbps or above
  LAN and Internet for TCP/IP
  Port: 9000, 9001, 9002
  Support control from IE, Windows Media Player, NetPlay, and dynamic IP
PTZ Control
  Digital Decode Control Protocol: Pelco-D, Pelco-P, ETHER
Software Environment
  Operation system: Windows 2000 Professional / Server / XP
  Support Library: DirectX8.0 or above