IP cameras Comparison: DRS, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Colour Type |
Colour / Monochrome
|
--
|
Colour / Monochrome
|
Colour
|
| Resolution |
640 x 480
|
2 MP
|
4MP
|
2×4MP
|
| Digital (DSP) |
✔
|
✔
|
--
|
--
|
| Specialist Type |
Thermal
|
--
|
--
|
--
|
| Voltage |
12 ~ 24 V DC
|
12 V DC, PoE
|
12 V DC, PoE
|
12 V DC, PoE+, ePoE
|
| Focal Length mm |
50 mm
|
3.6
|
2.7 ~ 13.5
|
3.6 mm
|
| Picture Elements HxV |
640 x 480
|
1920 x 1080
|
--
|
--
|
| Image Frame Rate |
30 fps
|
30fps
|
25/30 fps
|
--
|
| Auto Gain Control |
✔
|
✔
|
✔
|
✔
|
| Signal Mode |
PAL
|
--
|
PAL
|
--
|
| Back Light Compensation |
--
|
✔
|
✔
|
✔
|
| White Balance |
--
|
✔
|
✔
|
✔
|
| Electronic Shutter Range |
--
|
1 ~ 1/100,000s
|
Auto/Manual 1/3 s–1/100000 s
|
Auto/Manual 1/3 s–1/100,000 s
|
| S/ N (Signal/ Noise) Ratio dB |
--
|
> 50
|
>56
|
>56
|
| Chip Inch Size |
--
|
--
|
1/3
|
1/1.8
|
| Sensitivity Lux |
--
|
--
|
0.008
|
0.0005 lux@F1.0 (Color, 30 IRE), 0.0002 lux@F1.0 (B/W, 30 IRE), (Illuminator on) 0
|
| Motion Activated |
--
|
--
|
✔
|
--
|
| Mount Type |
--
|
--
|
Pole
|
--
|
| Wide Dynamic Range |
--
|
--
|
✔
|
✔
|
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