Main Features 4Ch Compact Real-Time Recording DVR Entry level MPEG-4 DVR Real-Time recording speed Triplex function 1 SATA HDD supported Audio 1 ch In & 1 ch Out Mouse control    Specification Spec. Details KDMH-04S1C1 (4 channel) Video Signal Input 4 Channel Input (BNC) NTSC/PAL, 1V 75 Ohm Output 4 outputs (Composite BNC, VGA, Spot, Loop through) Compression Enhanced MPEG-4, M-JPEG Pentaplex Operation Real-Time display, Recording, Playback, Network, Backup (archiving) Display Display Resolution NTSC - 704 x 480 / PAL-704 x 576 Diaplay Speed Real time display Display mode 1, 4 screen, PIP, Auto sequence Recording    & Playback Recording Resolution NTSC - 704 x 480, 704 x 240, 352 x 240 PAL - 704 x 576, 704 x 288, 352 x 288 REC & PB Speed  (NTSC / PAL) CIF 120 ips / 100 ips HD1 60 ips / 50 ips D1 30 ips / 25 ips Recording mode Continuous, Schedule, Event Search Search by calendar, event, time Backup Internal HDD 1 External Backup USB Network Backup TCP/IP(backup browser) Serial Interface Pan/Tilt, Zoom ,Preset RS-485, RS-232 Alarm Control Sensor Input 4 ports Relay out 1 port Audio Audio input 1 channel Audio output 1 channel Network Interface TCP / IP Protocol Static, DHCP, PPPoE, DDNS Browser Eunctional remote client software, Web Viewer(IE) System control Mouse, Remote Controller, Front keypad Language Multi OSD System upgrade USB, Nework Others Signal loss detection Beep / Beep + OSD / OSD / OFF Motion detection trace available Motion sensitivity 1 ~ 8 levels Mosaic available Zoom Digital x 2 Dimension 375(W) x 75 (H) x 265 (D) mm Weight 4.0 kg (without HDD) Power supply DC 12V, 5.0A Approval FCC, CE  Dimension