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