Dahua NVR21-S2 SERIES

44
Air pressure
86kpa－106kpa
Dimension
420mm×482.6 mm×44 mm
Weight
(No HDD）
4.5Kg
Installation
Desk/rack installation
1.3.23 NVR44-4KS2/44-16P-4KS2 Series
Model
44-4KS2 Series
44-16P-4KS2 Series
System
Main
Processor
Industrial embedded micro processor
OS
Embedded Linux operation system
System
Resources
16/32-channel series product
main stream max support
200/200Mbps
16/32-channel series product
main stream max support
200/200Mbps
Operation
Interface
WEB/Local GUI
Audio
Audio Input
1-ch MIC bidirectional talk input
Audio Output
1-ch MIC bidirectional talk output
Audio
Compression
Standard
G.711a/G.711u/AAC/G.722.1/G726/G.729
Video
Video Input
16/32-ch network compression video input
Video Output
1-channel VGA video output, 1-channel HDMI output
Video
Compression
Standard
H.264
Window Split
1/4/8/9/16/32-window
Alarm
Alarm Input
16-channel input
Alarm Output
4-channel output:3-channel relay output, 1-channel 12V control
Decode
Decode Type
MPEG4/MJPEG/H.264/H.265
Decode
Capability
H.264/H.265:
32-channel D1 or 16-channel 720P or 8-channel 1080P or 2-channel
4K
Function
Record Mode
Manual record, motion detect record, schedule record, alarm record.
The record priority: Manual record>Alarm record>Motion detect
record>Schedule record