This fax telephone extension cable can be used to connect your fax modem, fax machine or voice telephone. The cable ends are Male to Male RJ-11 type connectors with 4 wires to handle 2 phone lines. Total of 75 feet (22 m) in length. Works with all the fax modems and fax machines that use standard RJ-11 type connector. Color is White/Beige and may not appear exactly as in photos.