Digital video recorders (DVRs) Comparison: TruVision, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Channels |
16
|
4
|
4
|
8
|
| Alarm I/O |
16 in, 4 out
|
--
|
--
|
--
|
| Storage Capacity GB |
8192
|
4000
|
4,096
|
4,096
|
| Image per second (IPS) |
30
|
25 fps
|
--
|
--
|
| Compression Type |
H.264
|
H.264
|
H.264
|
H.264
|
| Resolution |
1920 x 1080
|
1920 x 1080
|
1920× 1080
|
1920 x 1080
|
| Signal Mode |
PAL / NTSC
|
PAL / NTSC
|
PAL / NTSC
|
PAL / NTSC
|
| External Storage |
USB
|
--
|
USB
|
USB
|
| Audio Recording and Properties |
1-ch, RCA (2.0 Vp-p, 1kohm)
|
--
|
G.711
|
--
|
| IP Storage rate (fps) |
30
|
--
|
30 fps
|
--
|
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