[Two-way intercom technology] LiwCho window intercom system uses automatic two-way communication technology, as long as the host is connected to the power supply, the extension is connected to the host with its own audio cable, you can automatically identify the voice signal, real-time easy intercom, farewell signal delay, better experience. [Machine function upgrade] LiwCho 2 way intercom system adopts the most classic fuselage design and unique design structure, which is not only beautiful, simple and generous, but also better and stronger in durability. It has a convenient push-button switch, a work indicator to make the work status clear, and a work knob to adjust the volume. [Machine quality upgrade] LiwCho window speaker intercom host and extension are connected using a 4-core high-strength aluminum foil shielding line, which has stronger anti-interference ability, avoid screaming at the same time, but also ensure that the sound is more clear and natural, and the sound quality is better. [Easy installation and use] LiwCho intercom system, with a complete English manual, detailed installation guidance and parameter description, just connect the host and extension with audio cable, power adapter end connected to the host, one end connected to the power supply, simple operation can easily achieve high-quality intercom. speaker for glass window. [Wide application scenarios] LiwCho intercom system is suitable for bank Windows, hospital Windows, post office Windows, securities Windows, embassy visa offices, securities companies, scenic ticket offices, stations, cruise ship docks, restaurants, stews and other places, It is a stable and perfect intercom system，microphone speaker for teller window.LiwCho, make communication more convenient.