IP cameras Comparison: Dahua Technology, Avigilon (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Colour Type |
Colour / Monochrome
|
--
|
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution |
640 x 512
|
3 MP
|
5 MP
|
4MP
|
| Digital (DSP) |
✔
|
✔
|
✔
|
--
|
| Specialist Type |
Thermal
|
Megapixel
|
Infrared
|
--
|
| Voltage |
24 V AC
|
12 V DC / 24 V AC / PoE
|
PoE
|
12 V DC, 24 V AC, PoE
|
| Focal Length mm |
7.5 / 13 / 25
|
4.7 ~ 84.6
|
3.1 ~ 8.4
|
3.3 ~ 9
|
| Wide Dynamic Range |
✔
|
--
|
✔
|
✔
|
| Picture Elements HxV |
640 x 512
|
2048 x 1536
|
2592 x 1944
|
--
|
| Back Light Compensation |
✔
|
✔
|
✔
|
✔
|
| Auto Gain Control |
✔
|
--
|
--
|
--
|
| White Balance |
✔
|
✔
|
✔
|
✔
|
| Electronic Shutter Range |
1/30000s–1s
|
--
|
1/6 ~ 1/8000s
|
Automatic, Manual (1/7 to 1/8196 sec)
|
| S/ N (Signal/ Noise) Ratio dB |
? 55
|
--
|
--
|
--
|
| Chip Inch Size |
--
|
1/2.8
|
1/2.8
|
1/2.8
|
| Auto Iris |
--
|
✔
|
✔
|
--
|
| Direct Drive |
--
|
✔
|
✔
|
--
|
| Motion Activated |
--
|
✔
|
✔
|
✔
|
| Image Frame Rate |
--
|
30 fps
|
25 fps / 24 fps
|
25 fps/30 fps
|
| Mount Type |
--
|
--
|
Surface
|
Surface
|
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