Timex Pesonal Analog Transmission Heart Rate Sensor and Strap

Analog heart rate sensor strap compatible with Timex HR monitors
Comfortable, fully adjustable design fits most body types
Transmission system works with HR-enabled treadmills and fitness equipment
Includes user-replaceable battery; water-resistant to 30 meters
Compatible with such models as 517, 593, 632, and 637 Timex Personal Heart Rate Sensor More »