Surveillance cameras Comparison: Bosch, Hikvision  (4)

Chip Inch Size "
1/4
--
--
--
Colour Type
Colour / Monochrome
True Day / Night
Colour / Monochrome
Colour / Monochrome
Resolution TVL
550
3 MP
2MP
1080p
Specialist Types
Thermal
--
--
--
Auto Iris
--
--
Sensitivity lux
0.209
0.01
0.01 Lux @(F1.6, AGC ON), 0 Lux with White Light
0 ~ 0.01
Voltage
18 V AC
12 V DC
12 V DC
12 V DC
Mount Type
wall
--
--
--
Wide Dynamic Range
--
--
Picture Elements HxV
640 x 480
2052 x 1536
--
1920 × 1080
Auto Gain Control
--
White Balance
--
Electronic Shutter range
1/1 to 1/10,000 seconds
1/25(1/30)s to 1/50,000s
PAL: 1/12.5 s ~ 1/50,000 s, NTSC: 1/15 s ~ 1/50,000 s
1/25 (1/30) ~ 1/50,000 s
S/ N (Signal/ Noise) Ratio dB
>50
--
--
>62
Signal Mode
PAL
--
PAL/NTSC
PAL, NTSC
Digital (DSP)
--
--
Focal Length mm
--
2.8 ~ 6
2.8 mm
2.8 ~ 12
Back Light Compensation
--
--
Synchronisation
--
Internal
--
Internal
Direct Drive
--
--
--
Motion Activated
--
--
--

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