IP cameras Comparison: D-Link, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/4
|
1/2
|
1/1.8
|
1/2.8
|
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
Colour
|
Colour / Monochrome
|
| Sensitivity Lux |
1.0
|
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 |
5 V DC
|
12 V DC, PoE
|
12 V DC, PoE+, ePoE
|
12 V DC
|
| Motion Activated |
✔
|
--
|
--
|
✔
|
| Resolution |
--
|
4MP
|
2×4MP
|
1080p
|
| Digital (DSP) |
--
|
✔
|
--
|
✔
|
| Auto Iris |
--
|
✔
|
--
|
--
|
| Direct Drive |
--
|
✔
|
--
|
--
|
| Focal Length mm |
--
|
2.8 ~ 6
|
3.6 mm
|
2.8 mm; 3.6 mm; 6 mm
|
| Mount Type |
--
|
Pole, Corner
|
--
|
--
|
| Wide Dynamic Range |
--
|
✔
|
✔
|
✔
|
| Picture Elements HxV |
--
|
2688 x 1520
|
--
|
--
|
| Image Frame Rate |
--
|
25 ~ 30 fps
|
--
|
25/30 fps
|
| Back Light Compensation |
--
|
✔
|
✔
|
✔
|
| Auto Gain Control |
--
|
✔
|
✔
|
✔
|
| White Balance |
--
|
✔
|
✔
|
✔
|
| 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
|
--
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
--
|
--
|
>56
|
>56
|
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