Dome cameras Comparison: Dahua Technology, Visionhitech (4)
Contact manufacturer | Contact | Contact | Contact | Contact |
Resolution TVL |
800
|
650
|
650
|
650
|
Dome Type |
Static
|
Static
|
Variable focus
|
Variable Focus
|
Digital (DSP) |
✔
|
--
|
--
|
--
|
Voltage |
12 V DC
|
12 VDC, 24 VAC
|
12 VDC, 24 VAC
|
12 VDC, 24 VAC
|
Focal length |
2.7 ~ 9 mm
|
3.3 ~ 12
|
3.3 ~ 12
|
3.3 ~ 12
|
Back Light Compensation |
✔
|
--
|
--
|
--
|
Auto Gain Control |
✔
|
--
|
--
|
--
|
White Balance |
✔
|
--
|
--
|
--
|
Electronic Shutter range |
4 / 25 ~ 1/ 45 ,000 sec
|
--
|
--
|
--
|
S/ N (Signal/ Noise) Ratio dB |
>65
|
--
|
--
|
--
|
Synchronisation |
Internal
|
--
|
--
|
--
|
Chip Inch Size |
--
|
1/3
|
1/3
|
1/3
|
Colour Type |
--
|
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
Sensitivity lux |
--
|
0.1
|
0.1
|
0.1
|
Indoor/Outdoor |
--
|
Indoor
|
Indoor
|
Indoor
|
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