软件类别：体育竞技,
软件授权：免费软件,
运行环境：ios,
软件语言：英语
Memorize the hand signals used for underwater communication with your dive buddy and dive guide required for your PADI or SSI scuba diving certification. Brush up quickly before starting your next diving trip! · Learn the 26 normed and other commonly used hand signals for diving · Get immediate feedback on your proficiency · Play a brain game by tapping the cards on the screen · Learn in a fun and effective way No internet access required so you can play and learn anywhere - even on the flight to your next diving destination.
下载地址：iTunes 或者AAP STORE 下载
