IP Dome cameras Comparison: Messoa, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size |
1/4
|
1/3
|
1/3
|
1/2.7
|
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution TVL |
540
|
4MP
|
4MP
|
2MP
|
| Dome Type |
Continuous Rotation
|
--
|
--
|
--
|
| Sensitivity lux |
0.0005
|
0.008
|
0.008
|
0.005
|
| Pan Speed o/ sec |
430
|
--
|
--
|
--
|
| Digital (DSP) |
✔
|
--
|
--
|
--
|
| Tilt Speed o/ sec |
200
|
--
|
--
|
--
|
| Indoor/Outdoor |
Indoor/Outdoor
|
Outdoor
|
Outdoor
|
Outdoor
|
| Voltage |
24 V AC
|
12 V DC, PoE
|
12 V DC, PoE
|
12 V DC, PoE
|
| Rotation Angleso |
360 pan, 92 tilt
|
--
|
--
|
--
|
| Compression |
MPEG-4
|
H.265; H.264; H.264B; MJPEG (only supported by the sub stream)
|
H.265; H.264; H.264B; MJPEG (only supported by the sub stream)
|
H.265; H.264; H.264B; MJPEG (only supported by the sub stream)
|
| Back Light Compensation |
✔
|
✔
|
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
✔
|
✔
|
| White Balance |
✔
|
✔
|
✔
|
✔
|
| Electronic Shutter range |
1/1 ~ 1/10,000 sec
|
Auto/Manual 1/3 s–1/100000 s
|
Auto/Manual 1/3 s–1/100000 s
|
Auto/Manual 1/3 s–1/100000 s
|
| S/ N (Signal/ Noise) Ratio dB |
>50
|
>56
|
> 56
|
> 56
|
| Synchronisation |
Internal / Line Lock
|
--
|
--
|
--
|
| Signal Mode |
PAL, NTSC
|
PAL
|
PAL
|
PAL
|
| Built-in IR LED |
✔
|
--
|
--
|
--
|
| Mount Type |
--
|
Wall, Ceiling, Pole
|
Wall, Pole, In-Ceiling, Ceiling
|
Wall, Pole, Ceiling
|
| Focal length |
--
|
2.8 mm / 3.6 mm
|
2.7 ~ 13.5 mm
|
2.8 mm / 3.6 mm
|
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