Measure heart rate safely with all-metal chestpiece. Single-head model has a nickel-plated chestpiece; dual-head model has a chrome-plated zinc alloy chestpiece. Both models feature non-chill ring. Internal spring binaural attaches to 21" long "Y" tubing.

In 2008 this item has been discontinued. Stock will continue to be sold at 2007 prices until exhausted. If you have any questions please contact Customer Service.