Dahua NVR21-S2 SERIES

45
Model
44-4KS2 Series
44-16P-4KS2 Series
Multiple-Chann
el Playback
Max 8-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
Storage
Overwrite
Backup Mode
USB device/DVD burner
Port and
Indicator
Network
Protocol
IPv4/IPv6/HTTP/UPnP/NTP/SADP/SNMP/PPPoE/DNS/FTP/ONVI(V
ersion2.4)/PSIA
SATA Port
Four ports
eSATA Port
N/A
RS232 Port
N/A
RS485 Port
N/A
USB Port
2 peripheral USB ports: one USB 2.0 port at the front panel and one
USB3.0 port at the rear panel
Network
Connection
Two RJ45 10/100/1000Mbps
self-adaptive Ethernet ports. One
Ethernet card
One RJ45 10/100/1000Mbps
self-adaptive Ethernet port
PoE Port
N/A
16
HDMI Port
One port
VGA Port
One port
Power Port
1 power socket. Power adapter
power supplying mode.
AC90V~264V-12V5.7A/-12V0.5
A-75W
1 power socket. Power adapter
power supplying mode.
AC90V~264V-12V12.5A/-53V2.8
3A
Power On-off
Button
One at the rear panel
Indicator Light
Four indicator lights.
General
Power
Consumption
4.2W (No HDD)
21.72W (With HDD)
Working
Temperature
﹣10℃～﹢55℃
Working
Humidity
10℅～90℅
Air pressure
86kPa～106kPa