【Two-way intercom technology】DESHUN intercom system DS-1908 uses automatic two-way communication technology, without any operation can automatically identify voice signals, say goodbye to signal delay, can be real-time easy intercom, better experience. 【Machine function upgrade】Deshun intercom system DS-1908 uses metal/plastic body design, the appearance is better. It has a function knob to adjust the volume, which can easily achieve volume control. 【Machine quality upgrade 】DESHUN intercom system DS-1908 uses 4 core high strength aluminum foil shielding wire, anti-interference ability is stronger, avoid howling at the same time, but also to ensure that the sound released sounds clearer and more natural, sound quality is better. 【Easy to install and use】DESHUN intercom system DS-1908, equipped with a full English manual, detailed installation guidance and parameter description, only the host and extension with audio cable connection, power adapter one end of the host link, one end of the access to the power supply. 【Wide application Scenarios】DESHUN intercom system DS-1908 is suitable for bank window, hospital window, post office window, securities window, embassy visa office, securities company, scenic spot ticket office, station, restaurant and other places, DESHUN, make communication easier.