Dive Signals!

More than 180 international scuba hand signs for underwater communication. For divers and those who start scuba diving Improve your communication during scubadiving This app has actually three modules:General hand signals- Instructions and references- Problems- Danger signals- Questions- Numbers and units- NightdiveHand signals for marine life- Sharks and rays- Reptiles and mammals- Fishes- Lower animals- Freshwater fishesFunny hand signalsThe app displays a photo of the marine animal with every hand sign. Ideal for traveling