Compare DH-IPC-HFW4231S with DH-IPC-HFW4220S (2)
| Contact manufacturer | Contact manufacturer | |
| Resolution |
1080P
|
2 MP
|
| Digital (DSP) |
✔
|
✔
|
| Sensitivity Lux |
0.009 ~ 0
|
--
|
| Auto Iris |
✔
|
--
|
| Direct Drive |
✔
|
--
|
| Voltage |
12 V DC, PoE
|
12 V DC
|
| Motion Activated |
✔
|
--
|
| Focal Length mm |
3.6
|
3.6
|
| Mount Type |
Pole
|
--
|
| Wide Dynamic Range |
✔
|
✔
|
| Picture Elements HxV |
1920 x 1080
|
1920 x 1080
|
| Image Frame Rate |
50 / 60 fps
|
30 fps
|
| Back Light Compensation |
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
| White Balance |
✔
|
✔
|
| S/ N (Signal/ Noise) Ratio dB |
> 50
|
>50
|
| Signal Mode |
PAL, NTSC
|
--
|
| Electronic Shutter Range |
--
|
1/3(4) ~ 1/100000s
|
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