Specifications Brand ABBREEModel AR 812Material Aluminum AlloyUsage Bank Hospital Hotel Restaurant TicketCounter Visitor CenterPower Supply DC 12VMicrophone Type High Sensitive MicrophoneRotation 360° Arbitrary RotationHost Dimensions 6 23 x 3 43 x 1 81 inchesExtension Dimensions 3 18 x 0 82 inchesCable Length Power Cable 90cm 35 43 inches Extension Cable 180cm 70 87 inchesFeatures 1 Independent Volume Adjustment Separate controls for host and extension volume levels 2 HD Sound High definition audio quality ensuring clear communication 3 Noise Reduction Effectively reduces background noise for crystal clear conversations 4 Recording Interface Equipped with a recording jack to facilitate conversations documentation 5 360° Arbitrary Rotation Highly flexible microphone for convenient usage Package Include 1 x Host Unit1 x Extension1 x Power Supply EU 1 x Adapter1 x Instructions1 x Installation Accessories