Dome cameras Comparison: Dahua Technology, Bosch (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Colour Type |
Colour / Monochrome
|
Colour
|
True Day / Night
|
--
|
| Resolution TVL |
4 MP
|
540
|
540
|
--
|
| Sensitivity lux |
0.04Lux/F2.0, 30IRE, 0Lux IR on
|
0.44
|
0.05
|
--
|
| Voltage |
12 V DC
|
12 V DC / 24 V AC
|
12 V DC / 24 V AC
|
--
|
| Focal length |
3.6mm (2.8mm Optional)
|
2.6 ~ 6
|
2.8 ~ 10.5
|
--
|
| Back Light Compensation |
✔
|
✔
|
--
|
--
|
| Auto Gain Control |
✔
|
✔
|
--
|
--
|
| White Balance |
✔
|
✔
|
--
|
--
|
| Electronic Shutter range |
PAL: 1/25~1/100000s / NTSC: 1/30~1/100000s
|
--
|
1/50 ~ 1/120,000 sec
|
--
|
| Signal Mode |
PAL, NTSC
|
PAL
|
PAL
|
--
|
| Chip Inch Size |
--
|
1/3
|
1/3
|
--
|
| Dome Type |
--
|
Continuous Rotation
|
Variable Focus
|
--
|
| Indoor/Outdoor |
--
|
Indoor
|
Outdoor
|
--
|
| Mount Type |
--
|
Surface
|
Surface mount
|
--
|
| Rotation Angleso |
--
|
360 pan, 90 tilt
|
--
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
--
|
>50
|
>50
|
--
|
| Synchronisation |
--
|
Internal, Line-lock
|
--
|
--
|
| Built-in IR LED |
--
|
--
|
✔
|
--
|
| Accessories |
--
|
--
|
--
|
TCP/IP Communications Module
|
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