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①Power interface: connect with DC12/2A power.
②Communication interface：connect with the network HD recording host.
③Analog audio input interface: output analog audio, connect with DVR or camera.
④External window intercom interface.
【External window intercom】
①Loudspeaker/MIC：
Loudspeaker：amplify the local intercom audio； MIC：pick up the local intercom audio；
②Internal window intercom interface
Packing list
Window intercom system include following accessories, please check following parts, please
contact with distributor if any parts are missing.
Internal window intercom 1 set
（1）
External window intercom 1 set
（2）
7
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