Window Intercom Microphone System
●Streamlined built-in extension, small in size.
●Free two-way intercom with the extension.
●With microcomputer processing circuit, and static noise function for echo and howling.
●With independent switch function, the internal and external volume can be adjusted or turned off separately.
●Adopt aluminum alloy metal wire drawing process for the surface.
●Applicable to banks, hospitals, stations, restaurants and booking offices.
Professional Window Intercom Microphone for Bank Hospital Station Model:D-850 ●Ideal for the bank, securities, hospital, bus station etc. where guard glass again theft is installed. ●With master mic and slave mic, one wire for connection, easy to operate ●Longer metal tube microphone for dual-way intercommunication; ●Adjustable volume with separate switch. ●Auto dual-way intercommunication without pressing any button; ●Double-track adjustment with indicating light; ●Spare record jack for the bank; ●Anti-interference and noise-free function;