Its effortless approach and versatility give you the ability to dive right in. It exceeds expectations—with many features such as its easy-to-use interface, flexible operating modes, built-in backlight and user-changeable battery with data retention. The i300 carries all of these features with a ruggedness that you can count on. And with effortless design, such as a water-activated on switch, it gets you right in the water and descending to your next adventure.