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 easily fixed to a window or wall. And the cable is 2.05m, which can meet the needs of long distances. High-quality material: The host of the window intercom system is made of high-quality aluminum alloy, which is stable and not easy to break. The microphone adopts an all-metal hose design, which supports multi-angle adjustment Application scenarios: widely used in commercial, office, hospital, bank, station, counter Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Colour:Silver Material:ABS+aluminum alloy Package Contents: 1 * walkie talkie Only 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.