Special Features
Face detection, NIGHT VISION, Motion Detection, Sound Detection, Waterproof / Weatherproof, Built-in Siren, Two-way Audio, One-way Audio, 130dB WDR, line crossing detection
Function
Two-way Audio, Alarm I/O, RESET, Built-in Mic, NIGHT VISION, Waterproof / Weatherproof, Wide Angle, built-in loudspeaker