4-Wire Single Entrance Intercom System, Easy Install, Home Security Communicatio
$59.99
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Single Entrance Intercom System, 4 Wire
$59.84
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About this item
⚠️ Important Compatibility Notice This product is the 4-wire version of ’ intercom line. Although it looks nearly identical to 3-wire and 6-wire models, it is not interchangeable with them. If your system uses 3 or 6 wires, this model will not work.
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