The Hangtimer from DropZone is a cool watch for any sport that includes jumping. Snowboarders always brag about how long they are airborne. With the Hangtimer you can measure it exactly.

The HangTimer has a built-in tri-axis accelerometer which measures your actual hang time. The carbineer style design can be clipped to a belt loop. The Hangtimer is powered by two AAA batteries and has a rugged water resistant case.
Features of the Hangtimer include a history of your last 10 jumps, best hangtime, average hangtime and a sensitivity setting (from 0.25 to 2 seconds) to adjust for sport and experience. The watch also features: Time and date, lap time and temperature.

The Hangtimer sells for $107 on the Hangtimer site.