CCTV cameras Comparison: Bosch, Dahua Technology  (4)

Chip Inch Size "
1/4
1/3
--
1/3
Colour Type
Colour / Monochrome
Colour / Monochrome
Colour / Monochrome
Colour / Monochrome
Resolution TVL
550
2MP
5 MP
1080P
Specialist Types
Thermal
--
--
Infrared
Auto Iris
--
--
--
Sensitivity lux
0.1
0 ~ 0.008
0.02 lux@F2.0 (Colour, 30 IRE) ; 0.002 lux@F2.0 (B/W, 30 IRE) ; 0 lux (Illuminator on)
0 ~ 0.02
Voltage
18 V AC
12 V DC
12 V DC
12 V DC
Mount Type
wall
--
Wall, Ceiling
Wall, Pole
Wide Dynamic Range
Picture Elements HxV
752 x 582
1920 x 1080
--
1920 x 1080
White Balance
Electronic Shutter range
1/1 to 1/10,000 seconds
1/25(1/30) ~ 1/50,000s
PAL: 1/25 s–1/100,000 s; NTSC: 1/30 s–1/100,000 s
PAL: 1/25s–1/100000s / NTSC: 1/30s–1/100000s
S/ N (Signal/ Noise) Ratio dB
>50
65
>65 dB
>65
Signal Mode
PAL, NTSC
PAL, NTSC
PAL, NTSC
PAL, NTSC
Digital (DSP)
--
--
--
Direct Drive
--
--
--
Focal Length mm
--
3.6
2.8 mm; 3.6 mm
2.7 ~ 12
Back Light Compensation
--
Auto Gain Control
--
Motion Activated
--
--
--

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