Protects your device from moisture Internal dimensions are 2-7/8" wide x 5-3/4" high x 1-3/16" deep External dimensions are 4" wide x 6-1/2" high x 2" deep A unique, patented all inclusive seal and Flex-Lens Touch through lens to operate your touch screen Power, earphone and accessory cables are routed through a patented, self draining baffledesign to keep moisture out Fits any Ram Mount Mounting System for use on Planes, Motorcycles, Boats, ATVs, Bikes, etc Easily locks with any standard mini padlock All marine grade construction including stainless steel hinge pin and mounting hardware Flex-Lens may be replaced in seconds if scratched or damaged