| 
					 Items  | 
				
					 Parameters  | 
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| 
					 Operation System  | 
				
					 Embedded Linux  | 
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| 
					 System Language  | 
				
					 Chinese, English, other (customizable)  | 
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| 
					 Video Compression Format  | 
				
					 H.264 compression mode  | 
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| 
					 OSD  | 
				
					 Character overlay function, support time and date, Vehicle ID and other information image overlay  | 
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| 
					 GUI  | 
				
					 Graphical OSD interface  | 
				
					 The system parameters can be set via an external display, remote control operation  | 
			
| 
					 Video and recording system  | 
				
					 Video input  | 
				
					 4 or 8 video input, avatar header, 1.0Vp-p, 75Ω  | 
			
| 
					 Video output  | 
				
					 1-way composite video output, avatar header, 1.0Vp-p, 75Ω.  | 
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| 
					 Preview function  | 
				
					 Single or multi-screen splicing preview, support manual / event trigger full-screen display function  | 
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| 
					 Video Resolution  | 
				
					 Four-way machine support 720P / D1 / HD1 / CIF optional, maximum support 4-way 720P; Octal support D1 / HD1 / CIF optional, maximum support 8 D1.  | 
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| 
					 Video Quality  | 
				
					 1 to 4 video can be equipped with the best 4, the lowest 4  | 
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| 
					 Recording rate  | 
				
					 PAL: 100 frames / s, CCIR625 line, 50 field NTSC: 120 frames / s, CCIR525 line, 60 fields; CIF: 256Kbps ~ 1.5Mbps, 4 quality optional HD1: 600Kbps ~ 2.5Mbps, 4 quality optional D1: 800Kbps ~ 3Mbps, 4 quality optional 720P: 800Kbps ~ 4Mbps, 4 quality optional  | 
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| 
					 Video Mode  | 
				
					 The default automatic video, support for ignition video, manual video, alarm video and so on  | 
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| 
					 Audio  | 
				
					 Audio input  | 
				
					 4 or 8, the air head interface  | 
			
| 
					 Audio output  | 
				
					 1 road, air head interface  | 
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| 
					 Compression  | 
				
					 G.726 compression format, rate 40KB / s  | 
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| 
					 Alarm input  | 
				
					 4 alarm input, with alarm linkage function  | 
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| 
					 Alarm Output  | 
				
					 1 switch output  | 
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| 
					 Positioning  | 
				
					 Supports built-in GPS / BD modules  | 
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| 
					 Sensor  | 
				
					 Supports G-SENSOR acceleration sensor  | 
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| 
					 Video storage 
  | 
				
					 SD card  | 
				
					 1 ~ 2 large capacity SD card video, maximum support 128G, circular video, data automatically cover  | 
			
| 
					 Upgrade method  | 
				
					 Support SD card upgrade  | 
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| 
					 file format  | 
				
					 H.264  | 
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| 
					 File system  | 
				
					 Unique preloaded professional file system  | 
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| 
					 Video playback 
  | 
				
					 Video search  | 
				
					 You can search video files by recording time, recording mode, etc.  | 
			
| 
					 Playback 
  | 
				
					 Support multi-channel synchronization playback, pause, fast forward, rewind  | 
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| 
					 Support 2, 4, 8, 16, speed fast forward or backward  | 
			||
| 
					 Power and power consumption 
  | 
				
					 Power management  | 
				
					 Adaptive wide power input, with overload, overvoltage, undervoltage, short circuit, reverse connection and other protection functions; Support the timer switch, delay shutdown function.  | 
			
| 
					 Input voltage  | 
				
					 DC:+10V ~ +36V  | 
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| 
					 The output voltage  | 
				
					 +12V@2A,  | 
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| 
					 Power consumption  | 
				
					 Normal working condition <5W  | 
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| 
					 Power & consumption  | 
				
					 Working current  | 
				
					 Around 12V=350MA  | 
			
| 
					 Standby current  | 
				
					 Around 12V=40MA左右  | 
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| 
					 working environment 
  | 
				
					 temperature  | 
				
					 -20℃ to +70℃  | 
			
| 
					 humidity  | 
				
					 20% to 80%  | 
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| 
					 
  | 
				
					 Password access  | 
				
					 User password, administrator password two levels of management  | 
			
| 
					 Safety management  | 
				
					 000000  | 
				
					 User  | 
			
| 
					 
  | 
				
					 111111  | 
				
					 Admin  |