Timex Digital Transmission Heart Rate Sensor and Strap

Compatible with all Timex digital heart rate monitors and body-link systems. Digital transmission eliminates cross-talk and interference. Slim sensor with detachable strap. Adjustable strap fits most body types. Owner-replaceable battery, water-resistant (heart rate data unavailable underwater).

Accurately measure your heart rate every time with the Timex digital heart rate sensor chest strap. Compatible with all Timex digital heart rate monitors and Bodylink systems, the elastic strap fits most body types, with a comfortable, fully adjustable design. The slim sensor also boasts a digital transmission system, helping eliminate crosstalk and interference from other devices nearby. Water-resistant to 30 meters, the strap comes with a user-replaceable battery and is compatible with such heart rate watches as the Timex 117, 516, 529, 565, 575, 584, 585, 586, 685, 606, 686, 811, 812, 818, 838, and 846. The strap fits chest sizes between 25 and 53 inches.