Features
*Each channel supports up to 4CIF real-time encoding
*Dual stream
*Anti-shock technology
*2 2.5" pluggable SATA cages
*Support mirror recording and master-slave recording
*eSata interface for high-speed back-up
*Built-in WCDMA/CDMA 2000 wireless modules (optional)
*Built-in GPS module
*External G-sensor module (optional)