H.264 compression format, IR night vision 10m, H.264, 1/3 SONY CCD, 420TVL, two way audio, ... english, Friendly GUI, DIY installationFree domain name boundedH.264 compression format,dual stream, D1/CIF/QCIF optionalIR night vision ... alarmCPUOperation systemEmbedded Linux OSMicrocomputer processor32Bit RSIC Embedded ProcessorVideoCompression formatH.264 main profile level 3,dual streamSignal system PAL ...