1.3g camera ,Sony CCD 420TVL 2.H.264, 2 way audio, dual ... stream 3.WCDMA,EVDO,TD-SCDMA 4.SD Card storage , Max 32G 5 ... 520TVL,520TVL High Res Low Illumination 1/3"Sony CCD,1/4" OV CMOSVideo StandardDigital CMOS/PAL/NTSCVideo ... InterfaceSD card,support video storage and image snapping; SD2.0 standard, maximum storage 32GControl Interface1-RS485 interfaceAlarm Input1- ...