New MINI QUEST Underwater Magnetic Communication Slate for Scuba Diving (Yellow) 30% smaller that the full-sized Quest.... Write with Magnetic Stylus.... Reversible Data Storage Magnetic Communication Screen.... Use for fast, effective underwater communication Includes convenient protective rotating cover.... Quickly erases with the push of a button Removable slate, even underwater.... Use both sides for twice the space Record valuable information before, during and after a dive.... Write with standard pencil