Main Features H-264 Real-Time Recording DVR 4/8 channel Real-time H.264 DVR Various recording resolution selectable :   NTSC [704x480 / 704x240 / 352x240]   PAL [704x576 / 704x288 / 352x288] Embedded Linux CPU with high performance : Power PC 400 MHz Max. 1 SATA HDD supported Intelligent and Powerful CMS Event log view & Motion detection trace Easy backup : USB & network Both static & dynamic IP supported :   Dynamic DNS service Audio play on network viewer    Specification Spec. Details KDHS-04H1 KDHS-08H1 Video Signal Input 4 channel input [BNC] / NTSC / PAL, 1V 75 Ohm 8 channel input [BNC] / NTSC / PAL, 1V 75 Ohm Output 4 Outputs (Composite BNC, VGA, Loop through, Spot) 3 Outputs (Composite BNC, VGA,  Spot) Compression Enhanced  H.264 Codec Pentaplex Function Real Time Watching / Recording / Playback / Networking /Backup Display Resolution NTSC – 704 x 480 / PAL – 704 x 576 Speed Real Time Display Mode 4, 1 screen, PIP, Auto Screen 9,6, 4, 1 screen, PIP, Auto Screen Recording    & Playback Recording Resolution NTSC – 704x480, 704x240, 352x240  /  PAL – 704x576, 704x240, 352x288 REC & PB Speed  (NTSC / PAL) CIF 120ips/100ips HD1 120ips/100ips D1 120ips/100ips CIF 240ips/200ips HD1 240ips/200ips D1 120ips/100ips Mode Continuous, Schedule, Event(Motion, Sensor, Network) Search Calendar, Event, Time Backup Internal HDD 1 Internal DVD 1 External Backup USB, USB HDD Network Backup TCP/IP(Backup Brower) Serial Interface Pan/Tilt, Zoom ,Preset RS-485, RS-232(Option) Alarm Control Sensor Input /Output 4/1 8/1 Audio Input /Output 1/1 1/1 Network Interface TCP/IP Protocol Static, DHCP, DDNS Browser Functional Remote Client Software, Web Viewer(HTTP / IE), CMS System control Front Keypad(6X6), Remote Controller, Mouse Language Multi OSD System upgrade USB / Network Others Motion & Loss Detection BEEP / BEEP+OSD / OSD / OFF Dimension 430(W) x 75(H) x 360(D)mm Weight 7.50kg (without HDD) Power supply 12V, 5.0A Approval FCC, CE  Dimension