Surveillance cameras Comparison: Hikvision, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Chip Inch Size " |
1/3
|
--
|
1/3
|
1/3
|
| Colour Type |
True Day / Night
|
Colour
|
Colour
|
Colour / Monochrome
|
| Resolution TVL |
1305 x 1049
|
8 MP
|
2MP
|
4MP
|
| Digital (DSP) |
✔
|
--
|
✔
|
✔
|
| Specialist Types |
Infrared
|
--
|
--
|
--
|
| Sensitivity lux |
0
|
0.001
|
0 ~ 0.001
|
0 ~ 0.005
|
| Voltage |
12 V DC / 24 V AC
|
12 V DC
|
12 V DC
|
12 V DC
|
| Motion Activated |
✔
|
--
|
--
|
--
|
| Focal Length mm |
2.8 ~ 12
|
2.8 mm; 3.6 mm
|
3.6 mm; 6 mm
|
3.6
|
| Wide Dynamic Range |
✔
|
✔
|
✔
|
✔
|
| Picture Elements HxV |
1305 x 1049
|
--
|
1920 x 1080
|
2560 x 1440
|
| Back Light Compensation |
✔
|
✔
|
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
✔
|
✔
|
| White Balance |
✔
|
✔
|
✔
|
✔
|
| Electronic Shutter range |
PAL: 1/50s ~ 1/50,000s; NTSC: 1/60s ~ 1/50,000s
|
PAL: 1/3 s–1/100000 s, NTSC: 1/4 s–1/100000 s
|
1/25 s–1/100,000 s (PAL), 1/30 s–1/100,000 s (NTSC)
|
PAL: 1/25s–1/100000s , NTSC: 1/30s–1/100000s
|
| S/ N (Signal/ Noise) Ratio dB |
> 62
|
>65
|
> 65
|
>65
|
| Synchronisation |
Internal
|
--
|
--
|
--
|
| Signal Mode |
NTSC, PAL
|
PAL, NTSC
|
PAL, NTSC
|
PAL, NTSC
|
| Mount Type |
--
|
Wall, Pole, Ceiling
|
--
|
--
|
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