The digital transmission of the Timex Flex Tech Digital 2.4 Heart Rate Monitor Sensor eliminates cross-talk and interference. This sensor works with all Timex digital 2.4 heart rate monitors and Bodylink® system using ANT+™ technology. The adjustable strap fits most body types.
- Transmitter detaches from sensor for hand washing.
- Water-resistant up to 30 meters (heart rate data unavailable under water).
- Owner-replaceable battery.