l        Complete dual-way intercom system for easy operation.

l        Built-in American Microsoft language processing chip promises clear voice.

l        Indoor volume and outdoor volume can be adjusted separately.

l        Suitable for places with inside and outside intercom-munication such as bank, hospital, ticket office and stock company, etc.

l        Working Voltage:DC9V.

l        Most Working Current:500mA.

l        Main sound box,sub-sound box:2W-2W, 100HZ-15KHZ.

l        Inside Microphone:-48db+(-)2db, 20Hz-20Khz.

l        Outside Microphone:-48db+(-)2db, 20Hz-16Khz.

l        Exterior size: Main Box:158*87*46mm;Sub-box:91*77*23mm.