视频输入/输出: 4 channels with bnc jack connector
surveillance channel: one card supports 4 real time channels
split screen: 1/4/9/16
video resolution: 720*288, 352*288, 384*288, 320*240 (configurable by software)
image color: configurable independently for each channel
total frame rate: 120fps with ntsc; 100fps with pal
screen watermark: support time watermark for recorded files; support words watermark on screen when previewed

recording:
compression algorithm: latest mpeg-4/encode9
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
recording 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 detection channel, 4 step sensitivity scale, user selectable motion detection area
auto alarm notification via email or 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
unedittable for recorded video file

network:
support tcp/udp protocol
remote transmission mode: pstn for modem above 56kbps, lan and internet for tcp/ip
port: 9000, 9001, 9002
support control from ie, windows media player, netplay and dynamic ip

ptz:
digital decode control protocol: pelco-d, pelco-p, ether

software environment:
operation system: windows 2000 professional / server / xp
support library: directx8.0 or above