Video signal format:PAL	
Operating System:EMBEDDED	
Video output:1 way/Standard: NTSE
Videl input:Max 4 ways	
Number of shows:PAL100FIELDS/S  4x25FIELDS/S
Number of video(QUAD MODE):PAL MAX.25FPS	
Number of video(EACH MODE):MAX.6.25FPS/ 25FIELDS/4
Compression:MODIFIED MJPEG	
Resolution:PAL:720x480/NTSE:720x576
Hard disk:Unlimited/To support ATA
Mobile Detection:Yes/Cancellation
Sound (AUDIO):Yes	
Monitoring System:Stop,rehabilitation, automated response
video mode
Power specifications:DC11~35V,Isolated power
Working Temperature:-40℃--+80℃	
Weight (without hard disk):G.W:2.73kgs/N.W:1.97kgs
Packing Size:27x27x14cm