Compare DH-H4C with N51BI22 (2)
| Contact manufacturer | Contact manufacturer | |
| Chip Inch Size |
1/2.8
|
1/2.8
|
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution |
4 MP
|
5MP
|
| Digital (DSP) |
✔
|
✔
|
| Specialist Type |
PTZ
|
Network
|
| Sensitivity Lux |
Colour: 0.05 lux@F1.6; B/W: 0.005 lux@F1.6; 0 lux (IR light on)
|
0.009 - 0.09
|
| Auto Iris |
✔
|
--
|
| Direct Drive |
✔
|
--
|
| Voltage |
5 V DC
|
12 V DC
|
| Motion Activated |
✔
|
✔
|
| Focal Length mm |
4 mm
|
2.8
|
| Wide Dynamic Range |
✔
|
✔
|
| Picture Elements HxV |
2560 x 1440
|
2592(H) x 1944(V)
|
| Image Frame Rate |
25 fps / 30 fps
|
30 fps / 15 fps
|
| Inclusion DVR/ Web Server |
✔
|
--
|
| Back Light Compensation |
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
| White Balance |
✔
|
✔
|
| Electronic Shutter Range |
1/3s ~ 1/100,000s
|
1/3 - 1/100000s
|
| S/ N (Signal/ Noise) Ratio dB |
? 55
|
> 50
|
| Mount Type |
--
|
Pole, Wall
|
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