CCTV cameras Comparison: Dahua Technology, Ganz (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Colour Type |
Colour
|
Colour
|
Colour
|
Monochrome
|
| Resolution TVL |
2MP
|
480
|
480
|
570
|
| Digital (DSP) |
✔
|
--
|
--
|
--
|
| Sensitivity lux |
0.001
|
0.72
|
0.72
|
0.2
|
| Voltage |
12 V DC
|
230 V AC
|
24 V AC, 12 V DC
|
12
|
| Focal Length mm |
2.8 mm; 3.6 mm
|
--
|
--
|
3-6mm
|
| Mount Type |
Pole
|
--
|
--
|
--
|
| Wide Dynamic Range |
✔
|
--
|
--
|
--
|
| Back Light Compensation |
✔
|
✔
|
✔
|
--
|
| Auto Gain Control |
✔
|
✔
|
✔
|
--
|
| White Balance |
✔
|
✔
|
✔
|
--
|
| Electronic Shutter range |
1/25 s–1/100,000 s
|
--
|
--
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
> 65
|
48
|
48
|
--
|
| Signal Mode |
PAL
|
PAL
|
PAL
|
--
|
| Chip Inch Size " |
--
|
1/3
|
1/3
|
1/4
|
| Auto Iris |
--
|
✔
|
✔
|
✔
|
| Direct Drive |
--
|
✔
|
✔
|
✔
|
| Lens Mount |
--
|
CS
|
CS
|
--
|
| Picture Elements HxV |
--
|
752 x 582
|
752 x 582
|
--
|
| Gamma Correction |
--
|
0.45
|
0.45
|
--
|
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