Model ST-RM0304/0404 3/4 channel audio/video basic model without LCD ST-RM0304/0404D 3/4 channel audio/video basic model without 5.6?LCD Features Bank ATM use and the device can be installed in the ATM machines H.264 compression algorithm ideal for standalone DVR Realtime live display up to 4 cameras, 100/120 fps recording for CIF Pentaplex function: live, recording, playback, backup & remote access 2 HHDs supported & USB CD-RW/DVD-RW supported Multiple control methods: front panel, IR remote controller, SAITELL keyboard, USB mouse and network keyboard. Smart video detection: motion detection, camera blank, video loss. Smart camera settings: privacy masking, camera lock, color setting, and title display Pan Tilt Zoom and Speed Dome Control: more than 60 protocols supported, preset, scan, auto pan, auto tour, pattern, auxiliary function supported. And with SAITELL Speed Dome, 3D intelligent positioning function supported. Easy backup methods: USB devices, CD-RW/DVD-RW & network download Alarm triggering screen tips, buuzer, PTZ preset, e-mail, FTP upload. Smart HDDs Management: non-working HDD hibernation, HDD faulty alarm, Raid function. Powerful network software: built-in web server, multi-DVR client & CMS. Networking access for remote live viewing, recording, playback, setting, system status, event log, e-mail & ftp function.