... preset positions 3 12 High-power IR Lights 4 SONY,SUMSUNG,LG,CNB Core optional CCTV camera IR high speed dome camera Feature ... be set freely² SONY, SUMSUNG, LG, CNB Core optional CCTV camera IR high speed dome camera Parameter: Communication MethodRS-485 BusCommunication ProtocolPELCO ... /NTSCEffective pixel0.44 Mega PixelZoom optional18X, 22X, 26X, 27X, 30X CCTV camera IR high speed dome camera