IP cameras Comparison: Dahua Technology, AV Costar (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Resolution |
4MP
|
3MP
|
1080p
|
1.2 MP
|
| Digital (DSP) |
✔
|
✔
|
✔
|
✔
|
| Sensitivity Lux |
0 ~ 0.06
|
--
|
--
|
--
|
| Auto Iris |
✔
|
✔
|
✔
|
✔
|
| Direct Drive |
✔
|
✔
|
✔
|
✔
|
| Voltage |
12 V DC, PoE
|
12 V DC, 24 V AC
|
PoE
|
12 V DC / 24 V AC / PoE
|
| Motion Activated |
✔
|
✔
|
--
|
--
|
| Focal Length mm |
3.6 ~ 6
|
--
|
--
|
--
|
| Wide Dynamic Range |
✔
|
✔
|
✔
|
--
|
| Picture Elements HxV |
2688 x 1520
|
--
|
--
|
1280 x 960
|
| Image Frame Rate |
25 ~ 30 fps
|
21 fps
|
30 fps
|
37 fps
|
| Back Light Compensation |
✔
|
--
|
--
|
--
|
| Auto Gain Control |
✔
|
--
|
--
|
--
|
| White Balance |
✔
|
--
|
--
|
--
|
| Electronic Shutter Range |
1/3(4) ~ 1/100000s
|
--
|
--
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
50
|
--
|
--
|
--
|
| Colour Type |
--
|
--
|
True Day / Night
|
True Day / Night
|
| Specialist Type |
--
|
--
|
Network
|
Megapixel
|
| Mount Type |
--
|
--
|
--
|
Surface, Ceiling, Flush, Wall
|
| Inclusion DVR/ Web Server |
--
|
--
|
--
|
✔
|
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