... 1,IR dome camera 2,Fixed lens and optional focus 3,IR distance: 15-25M 4,Can pan and tilt Model ... /540TVL/600TVL/650TVLrotate speed12°/Srotating rangePan: 0°~355°, tilt: +3°~90°Signal SystemPAL/NTSCEffective PixelsP:795(H)×596(V)N:810 ... Composite)Lens6, 8 ,12, 16mm for selectionIR Wave Length850nmIR Switcher≤3 Lux , IR OnDecoderMulti Protocolcontrol interfaceRS-485DCP Control ProtocolPELCO-D, PELCO ...