IP cameras Comparison: Dahua Technology, Hikvision (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution |
640 x 512
|
2 MP
|
4 MP
|
2 MP
|
| Digital (DSP) |
✔
|
✔
|
✔
|
✔
|
| Specialist Type |
Thermal
|
Infrared
|
Megapixel
|
Infrared
|
| Voltage |
24 V AC
|
12 V DC
|
12 V DC, PoE
|
12 V DC
|
| Focal Length mm |
7.5 / 13 / 25
|
--
|
--
|
4
|
| Wide Dynamic Range |
✔
|
✔
|
✔
|
✔
|
| Picture Elements HxV |
640 x 512
|
1920 x 1080
|
2688 x 1520
|
1920 x 1080
|
| Back Light Compensation |
✔
|
✔
|
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
✔
|
✔
|
| White Balance |
✔
|
--
|
--
|
--
|
| Electronic Shutter Range |
1/30000s–1s
|
1/25 ~ 1/100,000 s
|
1/3 ~ 1/10,000s
|
1 /3 ~ 1/100,000 s
|
| S/ N (Signal/ Noise) Ratio dB |
? 55
|
--
|
--
|
--
|
| Chip Inch Size |
--
|
1/3
|
1/3
|
1/3
|
| Sensitivity Lux |
--
|
0
|
0.01Lux @(F1.2,AGC ON ), 0.0 28 Lux @(F 2.0 ,AGC ON), 0 Lux with IR
|
0.01
|
| Motion Activated |
--
|
✔
|
✔
|
--
|
| Image Frame Rate |
--
|
25 fps
|
30 fps / 25 fps
|
30 fps / 25 fps
|
| Auto Iris |
--
|
--
|
✔
|
✔
|
| Direct Drive |
--
|
--
|
✔
|
✔
|
| High Speed |
--
|
--
|
✔
|
--
|
| Signal Mode |
--
|
--
|
--
|
PAL, NTSC
|
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