Dome cameras Comparison: Visionhitech, Bosch  (4)

Chip Inch Size
1/3
1/3
1/3
--
Colour Type
True Day / Night
Colour
True Day / Night
--
Resolution TVL
380
540
540
--
Sensitivity lux
0.3
0.44
0.05
--
Voltage
12 VDC
12 V DC / 24 V AC
12 V DC / 24 V AC
--
Focal length
3.6 mm
2.6 ~ 6
2.8 ~ 10.5
--
Auto Gain Control
--
--
White Balance
--
--
Electronic Shutter range
1/60 ~ 1/100,000 sec
--
1/50 ~ 1/120,000 sec
--
S/ N (Signal/ Noise) Ratio dB
> 50
>50
>50
--
Synchronisation
Internal
Internal, Line-lock
--
--
Signal Mode
PAL, NTSC
PAL
PAL
--
Dome Type
--
Continuous Rotation
Variable Focus
--
Indoor/Outdoor
--
Indoor
Outdoor
--
Mount Type
--
Surface
Surface mount
--
Rotation Angleso
--
360 pan, 90 tilt
--
--
Back Light Compensation
--
--
--
Built-in IR LED
--
--
--
Accessories
--
--
--
TCP/IP Communications Module

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