Digital video recorders (DVRs) Comparison: TruVision, Dahua Technology (4)
| Contact manufacturer | Contact | Contact | Contact | Contact |
| Channels |
8
|
16
|
8
|
4
|
| Alarm I/O |
16 in, 4 out
|
--
|
--
|
--
|
| Storage Capacity GB |
4096
|
10,000
|
10,000
|
4,096
|
| Image per second (IPS) |
30
|
25/30fps, 50/60fps
|
25/30fps, 50/60fps
|
--
|
| Compression Type |
H.264
|
H.265+/H.265/H.264+/H.264
|
H.265+/H.265/H.264+/H.264
|
H.264
|
| Resolution |
1920 x 1080
|
1080P
|
1080P
|
1920× 1080
|
| Signal Mode |
PAL / NTSC
|
PAL / NTSC
|
PAL / NTSC
|
PAL / NTSC
|
| External Storage |
USB
|
USB
|
USB
|
USB
|
| Audio Recording and Properties |
1-ch, RCA (2.0 Vp-p, 1kohm)
|
G.711A, G.711U, PCM
|
G.711A, G.711U, PCM
|
G.711
|
| IP Storage rate (fps) |
30
|
--
|
--
|
30 fps
|
| Hybrid IP inputs |
--
|
16+8
|
8+4
|
--
|
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