Dome cameras Comparison: Bosch, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/3
|
--
|
--
|
--
|
| Colour Type |
True Day / Night
|
--
|
--
|
--
|
| Resolution TVL |
540
|
720
|
1080P
|
520
|
| Mount Type |
Surface
|
--
|
--
|
--
|
| Voltage |
12 V DC
|
12 V DC
|
12 V DC
|
--
|
| Focal length |
3 ~ 12
|
3.6 mm
|
3.6 mm
|
3.6mm
|
| Electronic Shutter range |
1/50 ~ 1/100,000
|
1/50 ~ 1/100,000 sec
|
1/50s ~ 1/100,000s
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
> 48
|
>65
|
--
|
--
|
| Signal Mode |
NTSC
|
--
|
--
|
--
|
| Built-in IR LED |
✔
|
✔
|
✔
|
✔
|
| Dome Type |
--
|
Static
|
Static
|
Static
|
| Digital (DSP) |
--
|
✔
|
✔
|
✔
|
| Back Light Compensation |
--
|
✔
|
✔
|
✔
|
| Auto Gain Control |
--
|
✔
|
✔
|
✔
|
| White Balance |
--
|
✔
|
✔
|
✔
|
| Synchronisation |
--
|
Internal
|
Internal
|
--
|
| Sensitivity lux |
--
|
--
|
0.02
|
0.3
|
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