1. High video quality based on the H.264 High Profile.   
2. High resolution recording. Up to mega-pixel for 4 channel(1280x1024) and D1 resolution for 1 channel(704x576).   
3. Compact size, much easier for installation.    
4. Support from 8VDC to 32VDC, applicable for 12VDC and 24DC vehicles.   
5. The recorder provides each camera with stable +12V DC power; DVR can detect the short cut on   VIDEO INPUT1/2/4 channel 
6. VIDEO OUTPUT: 1channel, 1.0V，p-p，75Ω，BNC 
7. VIDEO FORMAT: Support PAL/NTSC 
8. VIDEO COMPRESSION: H.264 High Profile 
9. RECORD RESOLUTION: 1280x512(PAL)/1248x416(NTSC) 
10. FRAME RATE: 50fps(PAL), 60fps(NTSC) 
11. VIDEO BITRATE: 1.32Mbps ~ 3Mbps, 4 level video quality                                                                  
12. AUDIO INPUT: 1/2/4 channel 
13. AUDIO INPUT FORMAT: 20KΩ，RCA 
14. AUDIO OUTPUT: 1 channel，500Ω，RCA 
15. AUDIO LEVEL: 1V ~2V, p-p 
16. AUDIO COMPRESSION: G.711                                                                                                                
17. STORAGE: Hard drive, SD card，external USB device（memory stick or hard drive） 
18. FILE FORMAT: AVI                                                                                                                                       
19. INPUT POWER From: +8VDC to +32VDC 
20. POWER OUTPUT: DC，+12V@1.5A，+5V@1A  
21. POWER COMSUMPTION Working power: <5W，Strand by power: 0.1W。（exclude camera, hard drive, monitor)
GPS Function optional-This price not contains GPS function yet.