Robust injected-polypropylene construction allows for the right fit and easy installation. Adjustable unit safely holds smartphones or small tablets with a length or width measuring between 2.9" (7.5 cm) and 5.1" (13.0 cm) with or without a protective case. Integrated storage (0.6 Gal / 2.1L). Guiding wire grooves to pass the charging cable through the lid. Possibility of relocating 12V power outletĀ or installing USB outlet in the storage compartment. Not compatible with windshields and Snorkel Kit.