IP cameras Comparison: Dahua Technology, 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 |
4MP
|
1080p
|
3MP
|
3 MP
|
| Digital (DSP) |
✔
|
✔
|
✔
|
✔
|
| Auto Iris |
✔
|
✔
|
✔
|
--
|
| Direct Drive |
✔
|
✔
|
✔
|
--
|
| Focal Length mm |
2.7 ~ 13.5
|
--
|
--
|
--
|
| Image Frame Rate |
30 fps
|
30 fps
|
21 fps
|
--
|
| Specialist Type |
--
|
Network
|
--
|
Megapixel
|
| Voltage |
--
|
PoE
|
12 V DC, 24 V AC
|
--
|
| Wide Dynamic Range |
--
|
✔
|
✔
|
✔
|
| Motion Activated |
--
|
--
|
✔
|
--
|
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