As the professional manufacture, we would like to provide you high quality security anti-theft alarm device eas systems pcb eas am pcb board 58k anti-theft board am eas pcb board. And we will offer you the best after-sale service and timely delivery.Fuction:Automatic increase sensitivity Matching Board:9590/3800/3920/5800/DSP4900 Detection distance:4*4 label: 1.4-1.6m
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