Two-way intercom technologyDESHUN intercom system DS-2008 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-2008 adopts all-metal body design, with better durability. It not only has the function knob to adjust the volume, but also adds the internal and external one-button sound closure function to reduce unnecessary mutual interference Machine quality upgrade DESHUN intercom system DS-2008 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 useDESHUN intercom system DS-2008, 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