The B.U.D houses all of the critical data you will ever need to safely complete a dive, the NEW Oceanic B.U.D (backup dive device)is the ultimate partner to take with you every time you enter the water. With features like Oceanics patented Dual Algorithm and convenient BC mounting clip, the B.U.D is flexible in it"s use and low profile in it"s appearance. The perfect addition to your kit in the event that you or your buddies primary computer malfunctions. Feel confident and comfortable that your B.U.D has your back covered at every depth, on every dive.