Amazon.com: Santamedical Generation 2 Fingertip Pulse Oximeter Oximetry Blood Oxygen Saturation Monitor with Batteries and Lanyard : Health & Household
ToronTek®-G64 Medical Grade, Pulse Oximeter | Measuring pulse rate and oxygen saturation reliably and accurately | Shipped from Canada by a proud CANADIAN supplier - Walmart.ca
Baseline Fingertip Pulse Oximeter & 2 AAA Batteries (Not for sale in Canada) - Walmart.com