http://www.sportsmansguide.com/net/cb/cb.aspx?a=679459
Regular monitoring of your heart rate and hemoglobin levels can literally help save your life. Heart and other circulatory diseases are the top causes of death in America… being aware of your own condition can help you be cautious and improve your health.
Doctors use devices like this Digital Pulse Oximeter to get vital information at the touch of your finger and now you can, too. Knowing your heart rate can help you avoid over-exertion. Just slip the Digital Pulse Oximeter onto your finger, and you see your pulse rate within seconds.
Plus, a measurement of your oxyhemoglobin level (the oxygen carried to your muscles and vital organs). It’s compact to go anywhere, just 2 1/4 x 1 3/16 x 1 3/8″ h. Uses 2 AAA batteries (not included) for approx. 30 hrs. operation. Dual-color LED display. Automatically powers off after use. Weighs approx. 2 ozs.
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