... CIF and QCIF formats|Support multiple audio compression algorithms e.g. G.726, G.711 and ADPCM, providing clearer voice|Support voice broadcast ... Support PTZ control, I/O alarm with perfect functions|Support 802.11b/g wireless network, support 3G, CDMA and GPRS mobile networks ... One-key reset, password protection, watermark technology Type SD card Maximum memory 32GB Network port 1 pc, RJ45 10M/100Mbps ...