Special Features
Human Motion Tracking, Face detection, NIGHT VISION, Motion Detection, Sound Detection, Waterproof / Weatherproof, Built-in Siren, People Counting, PAN-TILT, Two-way Audio, Face Recognition
Function
Two-way Audio, Alarm I/O, RESET, Built-in Mic, NIGHT VISION, Wide Angle
Customized support
Online technical support, Customized logo, OEM, ODM