Surveillance cameras Comparison: Dahua Technology, Bosch (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size " |
1/3
|
1/3
|
--
|
1/3
|
| Resolution TVL |
1280 x 960
|
540
|
--
|
520
|
| Digital (DSP) |
✔
|
✔
|
--
|
✔
|
| Voltage |
6 ~ 26 V DC
|
230 V AC
|
24
|
12 V DC / 24 V AC
|
| Gamma Correction |
0 ~ 4
|
--
|
--
|
0.45
|
| S/ N (Signal/ Noise) Ratio dB |
40.7
|
50
|
--
|
45
|
| Colour Type |
--
|
Colour / Monochrome
|
--
|
Colour / Monochrome
|
| Auto Iris |
--
|
✔
|
--
|
✔
|
| Sensitivity lux |
--
|
0.018
|
--
|
0.0
|
| Direct Drive |
--
|
✔
|
--
|
--
|
| Lens Mount |
--
|
C/CS
|
--
|
--
|
| Motion Activated |
--
|
✔
|
--
|
--
|
| Picture Elements HxV |
--
|
752 x 582
|
--
|
752 x 582
|
| Back Light Compensation |
--
|
✔
|
--
|
--
|
| White Balance |
--
|
✔
|
--
|
--
|
| Synchronisation |
--
|
Line-Lock
|
--
|
--
|
| Signal Mode |
--
|
PAL
|
--
|
--
|
| Accessories |
--
|
--
|
Power supply unit
|
--
|
| Specialist Types |
--
|
--
|
--
|
Infrared
|
| Focal Length mm |
--
|
--
|
--
|
3.8 ~ 9.5
|
| Electronic Shutter range |
--
|
--
|
--
|
1/50 ~ 1/100,000
|
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