IP cameras Comparison: AV Costar, Dahua Technology (4)
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Chip Inch Size |
1/3
|
1/2
|
1/1.8
|
1/2.8
|
Colour Type |
True Day / Night
|
Colour / Monochrome
|
Colour
|
Colour / Monochrome
|
Resolution |
1.2 MP
|
4MP
|
2×4MP
|
1080p
|
Digital (DSP) |
✔
|
✔
|
--
|
✔
|
Specialist Type |
Megapixel
|
--
|
--
|
--
|
Sensitivity Lux |
0.002
|
0 ~ 0.015
|
0.0005 lux@F1.0 (Color, 30 IRE), 0.0002 lux@F1.0 (B/W, 30 IRE), (Illuminator on) 0
|
0.002
|
Voltage |
12 ~ 48 V DC
|
12 V DC, PoE
|
12 V DC, PoE+, ePoE
|
12 V DC
|
Motion Activated |
✔
|
--
|
--
|
✔
|
Focal Length mm |
3 ~ 9
|
2.8 ~ 6
|
3.6 mm
|
2.8 mm; 3.6 mm; 6 mm
|
Wide Dynamic Range |
✔
|
✔
|
✔
|
✔
|
Picture Elements HxV |
1280 x 960
|
2688 x 1520
|
--
|
--
|
Image Frame Rate |
37 fps
|
25 ~ 30 fps
|
--
|
25/30 fps
|
Back Light Compensation |
✔
|
✔
|
✔
|
✔
|
White Balance |
✔
|
✔
|
✔
|
✔
|
S/ N (Signal/ Noise) Ratio dB |
54
|
--
|
>56
|
>56
|
Auto Iris |
--
|
✔
|
--
|
--
|
Direct Drive |
--
|
✔
|
--
|
--
|
Mount Type |
--
|
Pole, Corner
|
--
|
--
|
Auto Gain Control |
--
|
✔
|
✔
|
✔
|
Electronic Shutter Range |
--
|
1/3~1/100000s
|
Auto/Manual 1/3 s–1/100,000 s
|
1/3 s–1/100,000 s
|
Signal Mode |
--
|
PAL, NTSC
|
--
|
--
|
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