IP cameras Comparison: Visionhitech, AV Costar (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/3
|
--
|
--
|
1/3
|
| Colour Type |
True Day / Night
|
--
|
True Day / Night
|
Colour / Monochrome
|
| Resolution |
650 TVL
|
3MP
|
1080p
|
3 MP
|
| Specialist Type |
Network
|
--
|
Network
|
Megapixel
|
| Sensitivity Lux |
0.1
|
--
|
--
|
--
|
| Auto Iris |
✔
|
✔
|
✔
|
--
|
| Direct Drive |
✔
|
✔
|
✔
|
--
|
| Lens Mount |
C/CS
|
--
|
--
|
--
|
| Voltage |
12 V DC
|
12 V DC, 24 V AC
|
PoE
|
--
|
| Motion Activated |
✔
|
✔
|
--
|
--
|
| Picture Elements HxV |
976 x 494
|
--
|
--
|
--
|
| Image Frame Rate |
30 fps
|
21 fps
|
30 fps
|
--
|
| Inclusion DVR/ Web Server |
✔
|
--
|
--
|
--
|
| White Balance |
✔
|
--
|
--
|
--
|
| Gamma Correction |
0.45
|
--
|
--
|
--
|
| Electronic Shutter Range |
1/60 ~ 1/100,000 sec.
|
--
|
--
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
> 52
|
--
|
--
|
--
|
| Synchronisation |
Internal
|
--
|
--
|
--
|
| Signal Mode |
PAL / NTSC
|
--
|
--
|
--
|
| Digital (DSP) |
--
|
✔
|
✔
|
✔
|
| Wide Dynamic Range |
--
|
✔
|
✔
|
✔
|
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