The RAP-B-138-AQ7-2 consists of a 2.5" diameter round base that contains the universal AMPS hole pattern, double socket arm, diamond adapter base and AQUA BOX® Pro 20 case. The included cradle clip attaches directly to the mount, and serves as a quick release mechanism, allowing you to quickly insert or release the AQUA BOX® case. The mount is designed with a RAM 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.- Weather resistant/splash proof- Floats to prevent accidental loss of device- Features a storage area which provides buoyancy and is perfectly sized for a driver's license or credit card- Unique patented design allows access to all side buttons on the phone while in case- Small, sleek form factor. Easy to pocket or carry along on your next adventure- Text, take photos/video, make/take calls all while protecting your phone- A thin, optically clear membrane provides the best tactile screen operation and viewing- Quick-release clip snaps behind the AQUA BOX®, and adapts to any RAM compatible mounting system (Included as an accessory)- AQUA BOX® case is compatible with lenses of various sizes. So, when its time to replace your phone, the only "RAM" upgrade you will need is a new lens