Special Features
Human Motion Tracking, Face detection, Motion Detection, Waterproof / Weatherproof, Built-in Siren, Two-way Audio, Restore colors at night
Function
Two-way Audio, Alarm I/O, Built-in Mic, Waterproof / Weatherproof, Wide Angle, Built-in Siren, Vandal-proof
Customized support
Online technical support, Customized logo, Software reengineering, OEM, ODM