MJEPG Standalone DVR

Specifications:
Models: Hk-s1004en 
> signal system: Ntsc/pal 
> operating system: Embedded rtos 
> video input:1/4/8 pairs 
> video output:2 pairs 
> display speed: 
Ntsc:30/120/240 fields/s(4x30 fps) ; 
Pal:25/100/200 fields/s(4x25 fps) 
> recording speed(partition mode): 
Ntsc: Max.30fps; 
Pal: Max.25fps 
> recording speed(single channel mode): 
Ntsc: Max.7.5fps(30 fps/4) ; 
Pal: Max.6.25fps (25 fps/4) 
>resolution display: Ntsc:720x480;pal:720x576 
> resolution recording: 
Ntsc:640x224(each channel) 640x272(quad total) 
> compression form: Modified mjpeg 
(high:20k bytes/frame; 
Normal:15k bytes/frame; 
Low:12k bytes/frame) 
> hard disk:30g-120g 
>network interface:10/100m base-t, ethernet interface, browse via ie 
> search mode: Time, date, camera ; 
>full screen: Yes 
> system monitoring: 
Stop, and automatically rebooted to recording mode on restored power supply 
> power requirements: Ac100v-240v,50/60hz 
> dimensions (wxdxh): 
Package size:500mmx330mmx130mm; 
External shape size:485mmx250mmx50mm 
> network: Support 
> weight: Gross weight:4kg ; net weight:3.5kg