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| Lihoy > Telecommunications > Interphones > Sell Interphones |
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| 1) Has been fully adjusted prior to shipment; be sure not to touch the internal components 2) When the sound becomes weak, it is time to change the batteries 3) Keep in dry place 4) After use, turn the "on/off" button to the "off" position Yongkang Yaho Co., Ltd.
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