Garmin HRM Tri
SizeUnit dimensions (LxWxD): 23.5”-56.0” x 1.2” x 0.5” (60.0 - 142.0 x 3.0 x 1.2 cm)
Module size: 29.4 x 51.4 x 8.5 mm
ChargingReplaceable battery
Battery life10 months (Tri training 1 hour per day)
Water resistance5 ATM
WeightUnit weight: 2.1 oz (59 g)
Module weight: 1.7 oz (49 g)
SensorHeart rate sensor, accelerometer
Internal storageYes
Heart rateYes
Heart rate variabilityYes
Running metricsCadence, stride length, ground contact time, ground contact time balance, vertical oscillation and vertical ratio.
Swim statisticsSwim interval heart rate statistics
OtherSpecifically designed for triathletes
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