Compare HD4DIR with HD61X (2)
| Contact manufacturer | Contact manufacturer | |
| Chip Inch Size |
1/3
|
1/3
|
| Colour Type |
Colour / Monochrome
|
Colour / Monochrome
|
| Resolution TVL |
540
|
380
|
| Sensitivity lux |
0.0
|
0.0
|
| Voltage |
12 V DC, 24 V AC
|
12 VDC
|
| Focal length |
3.3 ~ 12
|
--
|
| Back Light Compensation |
✔
|
✔
|
| Auto Gain Control |
✔
|
✔
|
| White Balance |
✔
|
✔
|
| Electronic Shutter range |
1/50 ~ 100,000
|
1/50–1/100,000
|
| S/ N (Signal/ Noise) Ratio dB |
50
|
50
|
| Synchronisation |
Internal, Line-lock
|
Internal
|
| Signal Mode |
PAL
|
PAL
|
| Built-in IR LED |
✔
|
✔
|
| Dome Type |
--
|
Fixed Focus
|
| Indoor/Outdoor |
--
|
Indoor
|
| Mount Type |
--
|
Ceiling, Wall
|
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