Features 
>Up to 8/16 cameras with 1080p realtime preview 
>H.264 dual-stream video compression 
>0804/1604LF-AL :All channel@2CIF realtime recording 
>HDMI / VGA / TV / Spot simultaneous video output 
>All 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 
  
Technical Specifications 
| 
 Model  | 
 DVR0804LF-AL  | 
 DVR1604LF-AL  |  
| 
 System  |  
| 
 Main Processor  | 
 Dual-core embedded processor  |  
| 
 Operating System  | 
 Embedded LINUX  |  
| 
 Video  |  
| 
 Input  | 
 8 channel, BNC  | 
 16 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  1 channel Output(Reuse the audio output channel), BNC  |  
| 
 Display  |  
| 
 Interface  | 
 1 HDMI, 1 VGA, 1 TV, 1 Spot, BNC  |  
| 
 Resolution  | 
 1920×1080, 1280×1024, 1280×720, 1024×768  |  
| 
 Display Split  | 
 1/4/9  | 
 1/4/9/16  |  
| 
 Privacy Masking  | 
 4 rectangular zones (each camera)  |  
| 
 OSD  | 
 Camera title, Time, Video loss, Camera lock, Motion detection, Recording  |  
| 
 Recording  |  
| 
 Video/Audio Compression  | 
 H.264 / G.711  |  
| 
 Resolution  | 
 2CIF(704×288/704×240) / CIF(352×288/352×240) / QCIF(176×144/176×120)  |  
| 
 Record Rate  | 
 Main Stream:  | 
 2CIF/CIF(1~25/30fps), D1 / HD1 (1~12/15fps),  |  
| 
 Extra Stream  | 
 CIF/QCIF(1~25/30fps)  |  
| 
 Bit Rate  | 
 48~3072Kb/s  |  
| 
 Record Mode  | 
 Manual, Schedule(Regular(Continuous), MD, Alarm), Stop  |  
| 
 Record Interval  | 
 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec  |  
| 
 Video Detection & Alarm  |  
| 
 Trigger Events  | 
 Recording, PTZ, Tour, Alarm, Video Push, Email, FTP, Spot, Buzzer & Screen tips  |  
| 
 Video Detection  | 
 Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank  |  
| 
 Alarm Input  | 
 8 channel  | 
 16 channel  |  
| 
 Relay Output  | 
 3 channel  |  
| 
 Playback & Backup  |  
| 
 Sync Playback  | 
 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)  |  
| 
 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  |  
| 
 Auxiliary Interface  |  
| 
 USB Interface  | 
 2 ports (1 Rear), USB2.0  |  
| 
 RS232  | 
 1 port, For PC communication & Keyboard  |  
| 
 RS485  | 
 1 port, For PTZ control  |  
| 
 General  |  
| 
 Power Supply  | 
 DC12V/ 5A  |  
| 
 Power Consumption  | 
 25W(without HDD)  |  
| 
 Working Environment  | 
 -10 ~+55°C / 10~90%RH / 86~106kpa  |  
| 
 Dimension(W×D×H)  | 
 1.5U, 440mm×460mm×68mm  |  
| 
 Weight  | 
 5.0KG(without HDD)  |       |