The rugged waterproof, shockproof and sunlight viewable SUNTAB tablet allows boaters to enjoy their apps in both sunny and wet environments. The addition of a SIM card turns the tablet into a full-time communication device with internet and phone access. The 7-inch highbright 100 Nit screen is a full-view display even in direct sunlight. Suntab is made of aero-grade titanium-alloy frame material and is built to meet military standards. It also includes GPS functions to run navigation and mapping applications and supports additional sensors, including proximity detector sensors and many others.