4-head, helical scan azimuth recording system for superior video and audio quality 6, 18, or 30-hour real time recording modes Built-in time/date generator 2-week time/memory power-loss backup with built-in battery Jog/shuttle for instant picture retrieval, high speed rewind/fast forward Auto record after power failure, alarm and power-fail review Programmable alarm recording speed On-screen menu in 7 languages14 W x 3 3/4 H x 10 1/2 D