Scuba Diving International (SDI) offers courses for recreational diver, like Basic Open Water course, the first course every diver takes to start their dive training. SDI also offers specialties to continue the divers education like Deep, Wreck, and Night to name a few.
eLearning gives you:
Convenient online access course material.
Unrestricted access to an online version of the Manual
Learning at your own pace and on your own schedule.