IP cameras Comparison: VIVOTEK, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/4
|
1/2
|
1/1.8
|
1/1.8
|
| Colour Type |
Colour / Monochrome
|
True Day / Night
|
Colour / Monochrome
|
Colour / Monochrome
|
| Specialist Type |
Network
|
PTZ
|
--
|
--
|
| Sensitivity Lux |
0.0
|
0.005 ~ 0.02
|
0.0005 [email protected]
|
0.0008 [email protected] (Color, 30IRE) ; 0.0004 [email protected] (B/W, 30IRE) ; 0 lux (Illuminator on)
|
| Voltage |
12 V DC, 24 V AC
|
36 V DC
|
12 V DC
|
12 V DC, PoE
|
| Focal Length mm |
4.0
|
5
|
2.8 mm; 3.6 mm; 6 mm
|
2.8 mm; 3.6 mm
|
| Image Frame Rate |
30 fps
|
25 ~ 30 fps
|
--
|
25/30 fps
|
| Electronic Shutter Range |
1/5 ~ 1/15000
|
1/3 ~ 1/100000s
|
Auto/Manual 1/3 s–1/100,000 s
|
Auto/Manual 1/3 s–1/100,000 s
|
| Resolution |
--
|
1080P
|
4MP
|
8 MP
|
| Digital (DSP) |
--
|
✔
|
--
|
--
|
| Auto Iris |
--
|
✔
|
--
|
--
|
| Direct Drive |
--
|
✔
|
--
|
--
|
| Motion Activated |
--
|
✔
|
✔
|
--
|
| High Speed |
--
|
✔
|
--
|
--
|
| Mount Type |
--
|
Wall
|
Pole, Corner
|
--
|
| Wide Dynamic Range |
--
|
✔
|
✔
|
✔
|
| Picture Elements HxV |
--
|
2 x 4096 x 1800
|
--
|
--
|
| Back Light Compensation |
--
|
✔
|
✔
|
✔
|
| Auto Gain Control |
--
|
✔
|
✔
|
✔
|
| White Balance |
--
|
✔
|
✔
|
✔
|
| S/ N (Signal/ Noise) Ratio dB |
--
|
> 50
|
>56 dB
|
>56 dB
|
| Signal Mode |
--
|
PAL, NTSC
|
--
|
--
|
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