Accurately measure your blood oxygen levels and pulse rate anytime, anywhere with this personal pulse oximeter. It features a large, easy-read digital display and easy-to-use single-button controls. Uses 2 AAA batteries (not included). Includes FREE carrying case and lanyard. Approx. 2 1/4"L x 1 1/4"W x 1 1/4"D.
If for any reason you are not 100% satisfied with a product, you may return it for a prompt refund.