Compare NDF831 with NDF820 (2)
| Contact manufacturer | Contact manufacturer | |
| Chip Inch Size |
1/3
|
1/3
|
| Colour Type |
Colour
|
Colour
|
| Resolution TVL |
1280x 960
|
--
|
| Sensitivity lux |
0.5
|
0.1
|
| Pan Speed o/ sec |
350
|
--
|
| Digital (DSP) |
✔
|
--
|
| Tilt Speed o/ sec |
150
|
--
|
| Indoor/Outdoor |
Indoor/Outdoor
|
--
|
| Voltage |
12V DC / 24 V AC, PoE
|
24 V AC, 12 V DC
|
| Focal length |
3 ~ 9
|
4
|
| Rotation Angleso |
31.8 ~ 90 (H) x 23.9 ~ 66.2
|
--
|
| Compression |
M-JPEG, JPEG, MPEG-4
|
H.264, MPEG4, Motion JPEG
|
| Back Light Compensation |
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
| White Balance |
✔
|
✔
|
| Electronic Shutter range |
1/30; Support long shutter 1/7.5~4
|
1/10000 ~ 1/3.75
|
| Synchronisation |
Internal
|
Internal
|
| Signal Mode |
PAL/NTSC
|
PAL/NTSC
|
| Built-in IR LED |
✔
|
--
|
People also viewed these products
Featured security companies
Related Videos
ASSA ABLOY: eCLIQ, the key to digital access
Success case—SUNPRIME solar plants thermal perimeter protection project in Italy
SARISA firing tests
Latest IP Dome camera case studies
Sorbonne is a popular dance café located in the center of Rotterdam, the Netherlands. The two-storey pub opens 7 days a week, offering dining services during lunch/dinner ho...
Alnet Systems (Alnet), a MESSOA solution partner, is a leading digital recording system developer with its headquarters based in Poland since 1989. In light of the prevalence of sm...
Situated by the Congo airport, sits President Pavilion. This hotel has VIPs from all over the world stay with them. The MESSOA Speed Dome and 2MP IP cameras have been cho...
A modern guide to data loss prevention
Download
7 proven solutions for law enforcement key control and asset management
Download
Security practices for hotels
Download
2025 Trends in video surveillance
Download
Maximising security and performance
Download