... . Up to mega-pixel for 4 channel(1280x1024) and D1 resolution for 1 channel(704x576). 3. Compact size, much ... can detect the short cut on VIDEO INPUT1/2/4 channel 6. VIDEO OUTPUT: 1channel, 1.0V,p-p, ... 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 ...