Compare DH-IPC-HDBW4421E with DH-IPC-HDW4221EM(-AS) (2)
| Contact manufacturer | Contact manufacturer | |
| Chip Inch Size |
1/3
|
1/3
|
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution TVL |
4 MP
|
2 MP
|
| Sensitivity lux |
0
|
0.01
|
| Dome Type |
Static
|
Static
|
| Digital (DSP) |
✔
|
✔
|
| Voltage |
12 V DC
|
12 V DC
|
| Focal length |
3.6 mm
|
3.6 mm
|
| Compression |
H.264/H.264B/H.264H/ MJPEG
|
H.264 / H.264H/ H.264B / M JPEG
|
| Back Light Compensation |
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
| White Balance |
✔
|
✔
|
| Electronic Shutter range |
1/3(4) ~ 1/100000 s
|
1/3 ~ 1/100,000
|
| S/ N (Signal/ Noise) Ratio dB |
>50
|
>50
|
| Built-in IR LED |
✔
|
✔
|
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