Compare DVR-451-04A050 with DVR-440-04A050 (2)
Contact manufacturer | Contact manufacturer | |
Channels |
4
|
4
|
Monitor Outputs |
4
|
--
|
Alarm I/O |
1 in, 1 out
|
--
|
Storage Capacity GB |
500
|
500
|
Compression Type |
H.264
|
H.264
|
Resolution |
720 x 484
|
1280 x 1024
|
Signal Mode |
PAL/NTSC
|
PAL / NTSC
|
Image per second (IPS) |
--
|
30
|
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