A device for protecting one or more credit or charge cards from radio frequency scanning is disclosed. The device comprises a layered planar element sized for fitting within a card slot of a personal carrying accessory, wherein the planar element is composed of an uncharged, conductive material and wherein the planar element inhibits the transmission of radio frequency signals. The planar element also has a front and back plastic layer for the addition of other items. In particular, a reading lens and a push button activated light source are integrated with the front plastic layer for easing reading of small text and in low lighting conditions.