Dahua NVR41-P Series

54
Model
21HS-4KS2 Series
21HS-P-4KS2
Series
21HS-8P-4KS2
Series
Standard
Window Split
1/4/8/9/16-window
1/4-window
1/4/8/9-window
Audio
Audio Input
1-ch bidirectional talk input
Audio Output
1-ch bidirectional talk output
Audio
Compression
Standard
PCM,G.711a,G711u
Alarm
Alarm Input
N/A
Alarm Output
N/A
Function
Record Mode
Manual record, motion detect record, schedule record, alarm record.
The record priority: Manual record>Alarm record>Motion detect
record>Schedule record
Multiple-Cha
nnel
Playback
Max 4-channel 1080P playback
Motion
Detect
Each video supports PAL 396(22*18)/ NTSC 330(22×15) detection
zones, support multiple sensivityly levels.
Privacy Mask
Each channel supports 4 privacy mask zones
Record File
Storage
NVR local/network and etc.
Backup Mode
Peripheral USB device
Port and
Indicator
Network
Protocol
IPv4, IPv6, HTTP, NTP, DNS, ONVIF
SATA Port
1
eSATA Port
N/A