Dome cameras Comparison: Visionhitech, Dahua Technology (4)
Contact manufacturer | Contact | Contact | Contact | Contact |
Chip Inch Size |
1/3
|
--
|
1/3
|
--
|
Colour Type |
True Day / Night
|
--
|
Colour / Monochrome
|
--
|
Resolution TVL |
400 TVL
|
720
|
1080p
|
1080P
|
Sensitivity lux |
0.2
|
--
|
--
|
0.02
|
Digital (DSP) |
✔
|
✔
|
✔
|
✔
|
Voltage |
12 V DC
|
12 V DC
|
12 V DC / 24 V AC /PoE
|
12 V DC
|
Focal length |
3.6mm
|
3.6 mm
|
3~ 9
|
3.6 mm
|
Auto Gain Control |
✔
|
✔
|
--
|
✔
|
White Balance |
✔
|
✔
|
--
|
✔
|
Electronic Shutter range |
1/60 ~ 1/100,000 s
|
1/50 ~ 1/100,000 sec
|
--
|
1/50s ~ 1/100,000s
|
S/ N (Signal/ Noise) Ratio dB |
>50 dB
|
>65
|
--
|
--
|
Synchronisation |
Internal, Line-lock
|
Internal
|
--
|
Internal
|
Signal Mode |
PAL/NTSC
|
--
|
--
|
--
|
Dome Type |
--
|
Static
|
--
|
Static
|
Back Light Compensation |
--
|
✔
|
--
|
✔
|
Built-in IR LED |
--
|
✔
|
--
|
✔
|
Indoor/Outdoor |
--
|
--
|
Indoor/Outdoor
|
--
|
Compression |
--
|
--
|
H.264, M-JPEG
|
--
|
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