CCTV cameras Comparison: Dahua Technology, Visionhitech (4)
Contact manufacturer | Contact | Contact | Contact | Contact |
Chip Inch Size " |
1/3
|
--
|
--
|
1/3
|
Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
True Day / Night
|
Resolution TVL |
4MP
|
600
|
600
|
650
|
Digital (DSP) |
✔
|
--
|
--
|
--
|
Sensitivity lux |
0 ~ 0.005
|
--
|
0.0001
|
0.1
|
Voltage |
12 V DC
|
12 V DC
|
12 V DC / 24 V AC
|
12 VDC / PoE
|
Focal Length mm |
3.6
|
3.6
|
--
|
--
|
Wide Dynamic Range |
✔
|
--
|
--
|
✔
|
Picture Elements HxV |
2560 x 1440
|
--
|
--
|
--
|
Back Light Compensation |
✔
|
--
|
--
|
--
|
Auto Gain Control |
✔
|
--
|
--
|
--
|
White Balance |
✔
|
--
|
--
|
--
|
Electronic Shutter range |
PAL: 1/25s–1/100000s , NTSC: 1/30s–1/100000s
|
--
|
--
|
--
|
S/ N (Signal/ Noise) Ratio dB |
>65
|
--
|
--
|
--
|
Signal Mode |
PAL, NTSC
|
--
|
--
|
--
|
Specialist Types |
--
|
Infrared
|
--
|
--
|
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