Sherwood Wisdom 3 W Compass & Q-D HoseThe Wisdom 3 continues the tradition of the Sherwood Scuba brand while offering new, enhanced features like full time access to NDL regardless of ATR. Dive Time Remaining on main screen and when in Dive Mode, you can see your available dive time whether limited by ATR or NDL. FEATURES Expanded memory for dive profiles access to up to 110 dives. Deep stop reminder conforms to latest theories recommending deep stops for dives that exceed 80 feet.