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