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
|
3MP
|
1080p
|
3 MP
|
Digital (DSP) |
✔
|
✔
|
✔
|
✔
|
Sensitivity Lux |
0 ~ 0.4
|
--
|
--
|
--
|
Auto Iris |
✔
|
✔
|
✔
|
--
|
Direct Drive |
✔
|
✔
|
✔
|
--
|
Voltage |
12 V DC, PoE
|
12 V DC, 24 V AC
|
PoE
|
--
|
Focal Length mm |
2.8 / 3.6
|
--
|
--
|
--
|
Mount Type |
Wall, Pole
|
--
|
--
|
--
|
Wide Dynamic Range |
✔
|
✔
|
✔
|
✔
|
Back Light Compensation |
✔
|
--
|
--
|
--
|
Auto Gain Control |
✔
|
--
|
--
|
--
|
White Balance |
✔
|
--
|
--
|
--
|
Electronic Shutter Range |
1/3 s to 1/100,000 s
|
--
|
--
|
--
|
S/ N (Signal/ Noise) Ratio dB |
> 50
|
--
|
--
|
--
|
Motion Activated |
--
|
✔
|
--
|
--
|
Image Frame Rate |
--
|
21 fps
|
30 fps
|
--
|
Specialist Type |
--
|
--
|
Network
|
Megapixel
|
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