Dome cameras Comparison: Bosch, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/4
|
1/3
|
--
|
--
|
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
--
|
--
|
| Resolution TVL |
540
|
4MP
|
720p
|
1080P
|
| Dome Type |
Continuous Rotation
|
--
|
Static
|
Static
|
| Sensitivity lux |
0.0065
|
0.01
|
0.05
|
0.02
|
| Indoor/Outdoor |
Outdoor
|
Indoor/Outdoor
|
--
|
--
|
| Voltage |
21 -
|
12 V DC
|
12 V DC
|
12 V DC
|
| Focal length |
3.4 ~ 122.4
|
3.6mm
|
3.6 mm
|
3.6 mm
|
| Auto Gain Control |
✔
|
✔
|
--
|
✔
|
| White Balance |
✔
|
✔
|
--
|
✔
|
| S/ N (Signal/ Noise) Ratio dB |
50
|
>65
|
--
|
--
|
| Synchronisation |
Internal, Line-lock
|
--
|
Internal
|
Internal
|
| Signal Mode |
PAL
|
--
|
--
|
--
|
| Digital (DSP) |
--
|
✔
|
✔
|
✔
|
| Mount Type |
--
|
Wall, Pole
|
--
|
--
|
| Back Light Compensation |
--
|
✔
|
--
|
✔
|
| Electronic Shutter range |
--
|
1/3 - 1/100,000s
|
1/50s ~ 1/100,000s
|
1/50s ~ 1/100,000s
|
| Built-in IR LED |
--
|
✔
|
✔
|
✔
|
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