Special Features
Built-in Siren, NIGHT VISION, One-way Audio, Two-way Audio, Motion Detection, Sound Detection, Vandal-proof, Human Motion Tracking, Waterproof / Weatherproof, Face Recognition, Face detection
Function
Two-way Audio, Abnormal sound detection, Alarm I/O, RESET, Built-in Mic, NIGHT VISION, Waterproof / Weatherproof, Wide Angle, One-way Audio, Built-in Siren, Vandal-proof