Compare HRD-442 with HRD-842 (2)
| Contact manufacturer | Contact manufacturer | |
| Channels |
4
|
8
|
| Alarm I/O |
4 in, 1 out
|
8 in, 4 out
|
| Storage Capacity GB |
8000
|
8000
|
| Compression Type |
H.264
|
H.264
|
| Resolution |
4MP
|
4MP
|
| Signal Mode |
PAL / NTSC
|
PAL / NTSC
|
| External Storage |
USB
|
USB
|
| IP Storage rate (fps) |
60/50 fps
|
240/200 fps
|
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