NoiseFree Dualway Bank Office Store Station Window Counter Intercom Walkie Talkie

Features: Anti interference and noise free function. Two way voice intercom communications technology, automatic identification of processing speech signals during a call does not require any action. Dedicated anti side tone processing chip, with auto mute function. Application of completely automated call control, outside the machine s microphone and speakers to use the integration of design and front line system of the host to connect, easy installation. Inside and outside the two way voice signal output(recording by the bank teller), a stereo jack output mode can prevent voice recording function controlled by the power switch and the function buttons. Application: bank, securities, hospital, bus station Where guard glass again theft is installed. Specifications: Condition:100percent Brand New Color: As shown in the picture Maximum operating current: 1A Main sound (sub sound): 3W Inside microphone: 42db Outside microphone: 42db Package List: 1 x Dual way Counter Walkie Talkie 1 x External Speaker 1 x 12V Power Supply 2 x Adhesive 1 x Instruction Manual .