Sherwood Wisdom 3 Computer with QD (W/O Compass) 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 Intuitive 2-button operation Air integrated feature - display air supply remaining (psi) Dive time remaining feature - calculates and displays dive time remaining based on current consumption rate or available no deco time remaining