Video Compression  :H.264
Video System  ; NTSC / PAL 
Operation System  : Linux 
Input / Output  :Video :BNC: 4-ch input / BNC: 1-ch output ;
                            Audio :RCA :1-ch input / RCA: 1-ch output 
Display :Resolution :NTSC: 704 x 480 / PAL: 704 x 576 
                Frame Rate :NTSC: 120fps / PAL:100fps (shared by 4 cameras) 
Record : Resolution : NTSC: CIF(352x240) / D1(704x480)
                                        PAL: CIF(352x288) /D1(704x576)
                 Frame Rate: NTSC:60fps-D1 / 120fps-CIF:  PAL: 50fps-D1 / 100fps-CIF

Feature: Display: Single / Quad / S.E.Q.
                 Recording:  Best / Good / Normal

Record Modes: Schedule / Motion Detection / Sensor Triggered / Remote Recording
HDD   :  Interface: 1*SATA Fixed HDD 
              capability : SATA up to 2TGB 
Playback Search :Time & Date / Event List
USB Interface : USB 2.0 for Mouse and File Backup / Upgrade
PTZ Control : Built-in RS-485 / support PELCO-P & PELCO-D

Network Interface: RJ45, 10M/100M

Network Function: Support TCP/IP, UDP, DHCP, DNNS, PPPoE

Playback Mode : Support to live view with IE (Internet Explorer) & with Mobile phone

Recording Pack Time: 15/30/45/60mins Selectable

IR Remote Control : Included

Mouse: Included 

Power Supply : DC12V / 2A   

VGA : support