> Up to 24/32 cameras with 1080p realtime preview > H.264 dual-stream video compression > Full channel 2CIF or every 4ch: 1ch D1 & 3ch CIF realtime recording > HDMI / VGA / TV / Spot simultaneous video output > 16 channel simultaneous realtime playback, GRID interface & smart search > 3D intelligent positioning with Dahua PTZ dome camera > Support 2 SATA HDDs up to 8TB, 2 USB2.0 > Multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS
Model
DH-DVR2404LF-AL
DH-DVR3204LF-AL
System
Main Processor
Dual-core embedded processor
Operating System
Embedded LINUX
Video
Input
24 channel, BNC
32 channel, BNC
Standard
NTSC(525Line, 60f/s), PAL(625Line, 50f/s)
Audio
Input
4 channel, BNC
Output
1 channel, BNC
Two-way Talk
1 channel Input (Reuse the audio output channel)
1 channel Output, BNC
Display
Interface
1 HDMI, 1 VGA, 1 TV, 1 Spot, BNC
Resolution
1920×1080, 1280×1024, 1280×720, 1024×768
Display Split
1/4/8/9/16/25
1/4/8/9/16/25/36
Privacy Masking
4 rectangular zones (each camera)
OSD
Camera title, Time, Video loss, Camera lock, Motion detection, Recording
Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank
Alarm Input
16 channel
Relay Output
3 channel
Playback & Backup
Sync Playback
1/4/9/16
1/4/9/16
Search Mode
Time/Date, Alarm, MD & Exact search (accurate to second), Smart search
Playback Functions
Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom
Backup Mode
USB Device / Network / Internal SATA burner
Network
Ethernet
RJ-45 port (10/100M/1000M)
Network Functions
HTTP, IPv4/IPv6, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter, Alarm Server
Max. User Access
20 users
Smart Phone
iPhone, iPad, Android, Windows Phone
Storage
Internal HDD
2 SATA ports (2HDDs or 1HDDs+1CD/DVD-RW), up to 8TB