Advance series IP turret camera, The high frame function (60fps) is only supported by 32/64/128 ch Advance series NVRs. Video analysis functions: Scene change detection, Face detection, Video tampering detection, Line crossing detection (distinction between humans / vehicles), Detection of Entry into / Exit from / Intrusion into an area (distinction between humans / vehicles), On-line human being / vehicle counting. Audio: 1 in, built-in microphone. Die-cast aluminium IP67 waterproof enclosure, power supply 12 VDC/PoE.