4ch 720P AHD Mobile DVRs with automatic vehicle location and WCDMA format

Supports 4 channels AHD+1 channel 720P IPC (PON)
Modular design for easy maintenance
Revolutionary anti-vibration technology for 360 degree installation
Supports 2.5" 2TB hard disk and SD card for mirror recording
Dual streams for local recording and wireless transmission
Internal GPS for location tracking, 3G/4G for live view and management (optional)
Internal Wi-Fi 802.11n supported for auto downloading (optional)
Built-in inertia sensor