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 mesuring between 2.9" (7.5 cm) and 5.1" (13.0 cm) with or without protective case. Integrated storage (0.6 Gal / 2.1L). Guiding wire grooves to pass charging cable through the lid. Possibility of relocating 12V power outlet or installing USB outlet in storage compartment (USB power outlet sold separately). Not compatible with windshields and Snorkel Kit. G2, G2L (except 6x6 & X mr models)