A single zone audio monitoring system, designed for audio
monitoring and interfacing with a DVR or VCR. The desk top base
unit has a 3" speaker for monitoring live audio as well as
playback. Contains mute switch to mute both live and playback
audio. The low impedance electret condenser microphone is
designed for ceiling mount and can pick up normal sounds
approximately 15' away or within a 30' diameter circle.Distance
between microphone and base station can be up to 1,000 ft.