Surveillance cameras Comparison: Dahua Technology, Bosch (4)
Contact manufacturer | Contact | Contact | Contact | Contact |
Resolution TVL |
800
|
540
|
--
|
330
|
Digital (DSP) |
✔
|
✔
|
--
|
✔
|
Sensitivity lux |
0.01
|
0.018
|
--
|
0.24
|
Voltage |
12 V DC
|
230 V AC
|
24
|
12 V DC / 24 V AC
|
Focal Length mm |
3.6 mm
|
--
|
--
|
2.8 ~ 50
|
Picture Elements HxV |
1280 (H ) × 960 (V)
|
752 x 582
|
--
|
500 x 582
|
Back Light Compensation |
✔
|
✔
|
--
|
✔
|
Auto Gain Control |
✔
|
--
|
--
|
✔
|
White Balance |
✔
|
✔
|
--
|
--
|
Electronic Shutter range |
4/25 ~ 1/45,000s
|
--
|
--
|
1/50 ~ 1/125,000
|
S/ N (Signal/ Noise) Ratio dB |
>65
|
50
|
--
|
50
|
Synchronisation |
Internal
|
Line-Lock
|
--
|
Internal, Line-lock
|
Chip Inch Size " |
--
|
1/3
|
--
|
1/3
|
Colour Type |
--
|
Colour / Monochrome
|
--
|
Colour
|
Auto Iris |
--
|
✔
|
--
|
--
|
Direct Drive |
--
|
✔
|
--
|
--
|
Lens Mount |
--
|
C/CS
|
--
|
C/CS
|
Motion Activated |
--
|
✔
|
--
|
--
|
Signal Mode |
--
|
PAL
|
--
|
CCIR/EIA
|
Accessories |
--
|
--
|
Power supply unit
|
--
|
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