Are you looking for a professional, yet affordable counter intercom? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional counter intercom must meet you needs. It is one of the best choices for you. Features - Color: As shown. - Material: plastic and metal. - Weight: 650g. - Voltage: 220V. - Size: 20x20x12cm/7.87 x 7.87 x 4.72 inch. - Two-way voice intercom communications is suitable for short. - Adjustable volume with separate switch. Anti-interference and noise-free function, - Window Speaker Bank Counter Suitable for the Bank,Securities Company,Hospital,Station ect. - speaker for main unit and extension, high sensitive microphone, longer metal tube microphone for dual-way intercommunication. - Provide you clear and loud sound.