Special Features
Face detection, NIGHT VISION, Vandal-proof, Motion Detection, Two-way Audio, Video Playback
Function
Two-way Audio, Alarm I/O, Built-in Mic, NIGHT VISION, Waterproof / Weatherproof, One-way Audio, Built-in Siren, Vandal-proof
Customized support
Online technical support, Customized logo, Software reengineering, OEM, ODM