The Evolution H2O is a hand or arm mount altimeter that measures 1 1/8 inch tall with a 2 inch face. This altimeter weighs only 5.1 oz. and has an indicated range of a minimum of 20,000 feet MSL, and is currently rated to a depth of 40 feet for a 2 hour duration.
This model is intended for pond swoopers or anyone who will encounter water during a jump. The Evolution H2O also features a counterbalanced (Inversion) movement making this model free fly friendly as well. As with the other models, the H2O has all of the faceplate options including Night Vision.