The doorbell was totally inoperative when it arrived. The best I can tell is that the speaker coil wire has a break in it. This is surprising since the unit has a sticker on it that clearly says it 'passed QC' (passed quality check). It also perplexing since point 5 of the 5 point user directions on the box states: '5. This product is guaranteed to keep in good condition for free.' Not worth returning it for the two dollars. Additional information: The wire to the switch is 35 inches. The package arrived in good time and the package was in good condition.
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