... Ω),independent OSDMatrix video output1CH BNC (1.0Vp-p,75Ω),support group circular monitoring AUDIOCompressionADPCMInput16 CH BNC (linear voltage,10. ... )Frame rate25(PAL)/30(NTSC) FPS all real time, flexible,support non-realtime D1Quality5 Levels (Basic,Medium,Good,High,Best)ModeManual ... CH synchronously HDDHDD interface8 SATA interface , Max.2T/HDD,support 1 eSATA interfacemode Self defined HDD's r/w ...