... BNC Output at the same time, 4/8/16 CH Video Loop Out Optional. FeatureHigh Speed CPU 600MHz, ... Output at the same time, 4/8/16 CH Video Loop Out Optional. Support 4 X SATA2. ... PAL Switch SelectableINPUTBNC*8,1.0Vp-p,75ohmVideo Output2 CH BNC(1.0Vp-p,75Ω); HD VGA Output; ... GUI 16 Bit True ColorPTZ PROTOCOL1*RS485, Support 18 Kinds of ProtocolBACKUPINTERNALBuilt-in DVD-RW (optional)EXTERNAL2*USB2 ...