Product DescriptionEnhance your triathlon experience by pairing Garmin HRM-Tri Heart Rate Strap with your Forerunner® 920XT1. The HRM-Tri stores heart rate data when underwater, then forwards it to the 920XT.Top Features of the Garmin HRM-Tri Heart Rate StrapSpecifically designed for triathletesOur smallest and lightest heart rate monitor (HRM)Comfortable, easily adjustable strapStores and forwards heart rate data to Forerunner® 920XTOur smallest and lightest module fits within the width of the strap. Its soft, rounded edges and covered seams make the strap super-comfortable out of the water, too.Running DynamicsHRM-Tri also has an accelerometer in the module that measures torso movement to calculate 3 running metrics:2Cadence — the number of steps per minute. It displays the total steps (right and left combined).Vertical oscillation — the bounce in your running motion. It displays the vertical motion of your torso (measured in centimeters). HRM-Tri is compatible with several other fitness products but will only display heart rate when paired.Ground contact time — the amount of time in each step that your foot spends on the ground while running (measured in milliseconds).Physical SpecificationsUnit dimensions (LxWxD): 60.0 – 142.0 x 3.0 x 1.2 cmWeight: 2.1 oz (59 g)Module size: 29.4 x 51.4 x 8.5 mmModule weight: 49 gSize adjustment: Bi-foldSizing range: (60.0 – 142.0 cmBattery: CR2032Battery life: 10 months (Tri training 1 hour per day)Water rating: 5 ATMAdditionalANT ® heart rate: yesSupports heart rate variability and advanced heart rate features: yes2.4 GHz ANT wireless communication protocol: yesRunning dynamics: yesStores and forwards heart rate: yesSwim interval heart rate statistics: yesNon-slip design for pool swimming: noPool chemical resistent: no
