Get an accurate reading of your blood oxygen saturation and heart rate. Simply place the Drive® Pulse Oximeter on your finger. The large, easy-to-read LED screen displays oxygen levels and heart rate with two-digit accuracy. 2 AAA batteries (included) provide up to 30 hours of operation. Approx. 2 1/8"L x 1 1/8"W x 1 1/8"H.
If for any reason you are not 100% satisfied with a product, you may return it for a prompt refund.