RAM AQUA BOX® cases provide sealed enclosure and protection for your handheld devices. The clear, touch through screen allows you to view your electronics as well as use their function keys while in place. There is even a place for a small lock to serve as a theft deterrent. The AMPS hole pattern on the back of the box allows this enclosure to be attached to a multitude of RAM mounting bases and kits. Ideally suited to Motorcycles and ATV''s, keep your portable devices safe, dry, and accessible.Included is a set of four nuts and bolts to connect the cradle to any RAM components or mounts that contain the universal AMPs hole pattern. AQUA BOX® 3 Internal Dimensions:Width=2.38" , Height=4.63" , Depth=1.13" inchesAQUA BOX® 3 External Dimensions:Width=3.5" , Height=5.25" , Depth=1.5" inches