Archos FM Radio and Remote Control Add-on for AV400 Pocket Video Recorder (Discontinued by Manufacturer) Compact FM radio/remote control add-on for Archos AV400 pocket video recorder Plays FM radio and digitally records programs on AV400's spacious hard drive Retro-record buffer archives last 30 seconds of playback before recording starts Controls AV400's fast-forward, rewind, play, pause, skip, and volume functions Requires no batteries; measures 2.7 by 1 by 0.5 inches (W x H x D); 1-year warranty