| Video and Audio |
| Model |
GV-Tower NVR (GV) |
GV-Tower NVR (3rd Party) |
| Video Input |
32 channels |
1, 2, 4, 6, 8, 10, 12, 16, 18, 20, 22, 24, 26, 28, 30, 32 channels |
| Audio Input |
32 channels |
1, 2, 4, 6, 8, 10, 12, 16, 18, 20, 22, 24, 26, 28, 30, 32 channels |
| Note: It is required to enable the dual-stream function on GeoVision and third-party IP cameras to have the maximum number of channels supported. For single streaming third-party IP cameras, please see "Total Frame Rate and Max. No. of Channels Supported" below. |
| Live View and Playback |
| Image Control |
Contrast / Brightness / Saturation / Hue |
| Recording Mode |
Round the Clock / Motion Detection / Sensor Detection / Pre & Post Recording / Schedule Recording |
| Pre Recording |
1~ 45 min. |
| Instant Playback |
10 sec. / 30 sec. / 1 min. / 5 min. |
| Watermark |
Supported |
| Search and Backup |
| Search Method |
Date / Time / Camera / Event Type |
| Backup Type |
DVD+R (DL) / DVD-R (DL) / DVD+R / DVD+RW / DVD-R / DVD-RW / CD-R / CD-RW |
| Note: For backup function, you need to connect an external USB DVD/CD burner. |
| Remote Monitoring |
| Monitoring Environment |
Web browser (IE, Chrome, Firefox and Safari) Mobile device (Android Smartphone and tablet; iPad, iPhone and iPod Touch) |
| Live View |
Max. 32–channel multi views (Up to 200 channels connection to GV-Tower System) |
| Network Type |
LAN, WAN, Internet |
| System Monitoring and Recovery |
| Power Restoration |
Automatic restart after power outage |
| Monitoring |
Two independent Watchdogs (Hardware Watchdog + Software Watchdog) |
| Recovery |
Automatic system rebuild from internal hard disk. |
| Language |
| Type |
Arabic / Bulgarian / Czech / Danish / Dutch / English / Finnish / French / German / Greek / Hebrew / Hungarian / Italian / Japanese / Lithuanian / Norwegian / Polish / Portuguese / Romanian / Russian / Serbian / Simplified Chinese / Slovakian / Slovenian / Spanish / Swedish / Thai / Traditional Chinese / Turkish |
| Software License |
| Free License |
32 channels from GV-IP devices |
| Maximum License |
32 channels from third-party IP devices |
| Increment for Each License |
1 to 32 third-party IP cameras at an increment of 2 |
| Optional Combinations |
N/A |
| Dongle Type |
Internal or external |
Note: 1. The Maximum License is a paid service. 2. All specifications are subject to change without notice. |