Garmin forerunner 45 45s gps running watchan easy to use, ultra convenient running watch that is suitable for all abilities that uses gps, glonass and galileo capabilities to accurately track all your moves. The watch provides key insights into every area of your run tracking pace, distance, intervals and more. In tracking your performance all your running data can be automatically synced to the garmin connect app, via a compatible smartphone, which also allows you to create your own, personalised, training sessions. New safety tracking features include incident detection and assistance which send your real time location to emergency contacts allowing you to run without fear.sizingsmall garmin forerunner 45s gps running watch 39.5 x 39.5 x 11.4mmlarge garmin forerunner 45 gps running watch 42 x 42 x 11.4mmfeatureseasy to use running watch monitors heart rate at the wrist and features gps, glonass and galileo satellites to track your pace, distance, intervals and moreworks with free garmin coach adaptive training plans that bring expert, personalized coaching right to your wristconnected features include smart notifications for incoming texts and calls, automatic uploads to our garmin connect online community, live tracking and controls for the music playing on your phonesafety and tracking features include incident detection during select activities and assistance, which both send your real time location to emergency contactssports apps for running, cycling, indoor track, treadmill, elliptical, cardio, yoga and morefeatures a bright, always on colour screen and a reliable 5 button interface that lets you mark laps with just a quick presstracks activity, including steps, calories, all day stress, sleep and moreup to 7 days of battery life in smartwatch modeup to 13 hours of battery life in gps modebuy garmin run gps from chain reaction cycles, the world's largest online bike store.