The RAP-B-140-AQ2U consists of a square base with the universal AMPS hole pattern, double socket arm, 6.35cm (2.5") diameter round base with the universal AMPS hole pattern and sealed enclosed medium size AQUA BOX. The mount is designed with a RAM 2.54cm (1") diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles. The AQUA BOX case provide sealed enclosure and protection for your handheld device. 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.