Digital Video Recorders

We are offering h.264 digital video recorders 4ch d1 b8004a.
system model b8004a
main processor high performance embedded microprocessor hi3515
operating system embedded linux
system resources pentaplex function:live,recording,playback,backup & remote access
user interface gui,on-screen menu tips
display 1/4
video video standards pal 625 line,50 f/s;ntsc 525 line,60 f/s
video compression h.264 main profile
video recording d1:pal 1f/s-25f/s ntsc 1f/s-30f/s
encode capacity 100/120fps(d1)
motion detection zones:396(22*18)detection zones,sensitivity:1-6(6 is highest)
trigger recording,ptz movement,tour,alarm,email,snapshot & ftp
audio audio compression g711a
bidrectional talk support
record &
playback recording mode manual>alarm>video detection>continuous
playback 1~8channels playback simultaneously
search mode time/date,alarm,motion detection & exact search(accurate to second)
storage &
backup space occupation audio 28.8mb/h ;video 25~450 mb/h
record storage local hard disk and network
backup mode network download/flash stick/movable hdd/sata hdd/dvd-rw
interface video input 4channel
video output 1channel tv output bnc,1.0vp-p,75ω,1 vga output(optional)
audio input 1 (could be expanded to 4channel)
audio output 1 channel
alarm input n/a（choose 4alarm）
relay output n/a/choose
net interface rj-45 (10m/100m)
ptz control 1 rs485
usb interface 2 x usb2.0
hard disk 1 sata ports(max 2048g)
environmental power supply 12v/2a
power consumption.