Finally a GPS-enabled training device that isnt afraid of the water The rugged Forerunner 310XT is the triathletes indispensable training tool; a GPS-enabled swim-proof trainer that tracks bike & run data andsends it wirelessly to your computer Four customisable data screens Syncs with foot pod for accurate date even on a tread mill Programmable to record transition times & auto change between activities Compatible with all ANT power meters G Waterproof to 50 m 20 hour battery life