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By certification 
The AHD 720P Mobile DVR which can support smart power management, automatic power off when lower voltage, low power consumption. Unique file management with encryption technologe to make sure the information saftey；bulit-in super capacitor incase of date lost and SD card fail for power off.
| Item No. | EV-605DVR-AHD |
| Image Display | Mulit images display switchable |
| System | PAL/NTSC |
| Video Input | 4 channel AHD (1280*720)720P |
| Audio Input | 4 channel |
| Signal Output | 1 AV output,1VGA output |
| DVR Recording | Support 4 channel AV recording |
| Storage Device | support dual SD card, 256G max. |
| backup type | Network backup, USB backup |
| Wireless interface | Support 3G/4G/GPS/WIFI |
| Power | DC 9-36V input |
| Size | 165*142*45（mm) |
http://www.rearviewsys.com/
