CCTV cameras Comparison: Dahua Technology, Visionhitech (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size " |
1/3
|
--
|
--
|
1/3
|
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
True Day / Night
|
| Resolution TVL |
4MP
|
600
|
600
|
650
|
| Digital (DSP) |
✔
|
--
|
--
|
--
|
| Auto Iris |
✔
|
--
|
--
|
--
|
| Sensitivity lux |
0.05 ~ 0.005
|
--
|
0.0001
|
0.1
|
| Voltage |
24 V AC
|
12 V DC
|
12 V DC / 24 V AC
|
12 VDC / PoE
|
| Focal Length mm |
4.5 - 135 mm
|
3.6
|
--
|
--
|
| Mount Type |
wall, ceiling, pole, corner, parapet
|
--
|
--
|
--
|
| Wide Dynamic Range |
✔
|
--
|
--
|
✔
|
| Back Light Compensation |
✔
|
--
|
--
|
--
|
| Auto Gain Control |
✔
|
--
|
--
|
--
|
| White Balance |
✔
|
--
|
--
|
--
|
| Electronic Shutter range |
1/1 s - 1/30,000s
|
--
|
--
|
--
|
| S/ N (Signal/ Noise) Ratio dB |
> 55
|
--
|
--
|
--
|
| Specialist Types |
--
|
Infrared
|
--
|
--
|
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