Digital video recorders (DVRs) Comparison: Dahua Technology, TruVision (4)
Contact manufacturer | Contact | Contact | Contact | Contact |
Channels |
4
|
4 / 8 /16
|
8 ~ 16
|
16
|
Hybrid IP inputs |
4
|
--
|
--
|
--
|
Storage Capacity GB |
8192
|
~ 4000
|
~ 12000
|
8192
|
Image per second (IPS) |
30
|
--
|
30
|
30
|
Compression Type |
H.264
|
H.264
|
H.26
|
H.264
|
Resolution |
1920 x 1080
|
1920 x 1080
|
1920 x 1080
|
1920 x 1080
|
Signal Mode |
PAL / NTSC
|
PAL / NTSC
|
PAL / NTSC
|
PAL / NTSC
|
External Storage |
USB
|
USB
|
USB
|
USB
|
Audio Recording and Properties |
G.711
|
4-channel, RCA, (2.0 Vp-p, 1 ohms)
|
8-channel / 16 Channel, BNC, (2.0 Vp-p, 1 ohms
|
1-ch, RCA (2.0 Vp-p, 1kohm)
|
IP Storage rate (fps) |
30
|
120
|
30
|
30
|
Monitor Outputs |
--
|
3
|
4
|
--
|
Alarm I/O |
--
|
4/1
|
16/4
|
16 in, 4 out
|
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