... ip camera SONY CCD, PAL or NTSC, H.264, SD card or USB storage Night vision: 15m Size: ... second SNR 48dB Compression standard Video compression standard H.264 Audio compression standard G.711/G.726 System ... 176×144,640×480,320×240,160×112(D1,H-D1,CIF,QCIF,VGA,QVGA,QQVGA) NTSC: ... 10/100M self-adaptable Ethernet interface Storage interface SD card storage interface Alarm input 2 channel(optional) Alarm ...