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Doorbell Fon Controller Unit Only.
Bring Convenience, Security & Assistance to your home today with the DOORBELL FON™. This amazing product allows you to answer a door or gate from any telephone in your home or business. It installs using a single pair of wire for (power, control, signaling & voice). All add on component's install on same single pair. No Programming! No Codes! Just pick up the telephone like a regular telephone call.
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The Smartest DIY Home Improvements
