- Digital FM transmission: TIMEX's system protects your data from other heart rate monitors and most exercise equipment.
- Synchronised transmission prevents crosstalk from other heart rate monitors
- Continuous heart rate readings even during the most intense activities
- Chest strap: Comfortable, lightweight, & adjustable elastic
- Owner-replaceable battery with 2-year battery life
- Strap: Water-resistant to 30m (Sensor will not provide accurate readings when under water).