The RAM magnifier adaptor quickly installs between the RAM diamond mounting base and the device holder. The magnifying lens can be adjusted to a variety of angles to accommodate a wide variety of GPS units providing a more easily readable screen. Works with RAM holders that accept the RAM diamond base adaptor (RAM-B-238)
The size is 2" x 4" and 2x magnification.
Please note that this product will not work with the Garmin Zumo GPS
High Strength Composite and Clear Lens