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 75© 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: 20K© RCA 14. AUDIO OUTPUT: 1 channel 500© 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: