IP cameras Comparison: Visionhitech, VIVOTEK (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/3
|
1/4
|
1/4
|
--
|
| Resolution |
650 TVL
|
--
|
--
|
1600 x 1200
|
| Specialist Type |
Infrared
|
Network
|
Network
|
--
|
| Sensitivity Lux |
0
|
0.0
|
0.0
|
0.0
|
| Voltage |
12 V DC
|
12 V DC, 24 V AC
|
12 V DC, 24 V AC
|
12 V DC, 24 V AC, PoE
|
| Motion Activated |
✔
|
--
|
--
|
--
|
| Picture Elements HxV |
976 x 494
|
--
|
--
|
--
|
| Image Frame Rate |
30
|
30 fps
|
30 fps
|
30 fps
|
| Inclusion DVR/ Web Server |
✔
|
--
|
--
|
--
|
| White Balance |
✔
|
--
|
✔
|
✔
|
| Electronic Shutter Range |
1/60~1/100,000 sec.
|
1/5 ~ 1/15000
|
1/5 ~ 1/15000
|
1/5 ~ 1/40000
|
| S/ N (Signal/ Noise) Ratio dB |
> 52
|
--
|
--
|
--
|
| Synchronisation |
Internal
|
--
|
--
|
--
|
| Signal Mode |
PAL, NTSC
|
--
|
--
|
--
|
| Colour Type |
--
|
Colour / Monochrome
|
Colour / Monochrome
|
--
|
| Focal Length mm |
--
|
4.0
|
4.0
|
3 ~ 9
|
| Auto Gain Control |
--
|
--
|
✔
|
✔
|
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