Two-way intercom speaker: The window intercom speaker adopts automatic two-way intercom technology, which can automatically identify and process voice signals. The anti-interference chip can effectively improve the noise and make the sound clearer.Separate volume control: The buttons on the counter intercom can control the volume of the internal and external microphones according to different needs.Easy to use: You only need to connect the power adapter and external speakers to the main unit, then turn on the switch to start communication, no need to press the button. An external microphone can be fixed to a window or wall. And the cable is 2.05m, which can meet the needs of long distances. material: The host of the window intercom system is made of aluminum alloy, which is stable and not easy to break. The microphone adopts an all-metal hose design, which supports multi-angle adjustmentApplication scenarios: widely used in commercial, office, hospital, bank, station, counterPlug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on.Voltage:AC 220VColour:SilverMaterial:ABSandaluminum alloyPackage Contents:1 x walkie talkieOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.