Fingertip pulse oximeter - CMS50D - Contec Medical Systems - for hospital / home care / wireless
Contec CMS50DL Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor ( SpO2) with Pulse Rate Measurements and Bar Graph, Digital LED Display, Blue - Walmart.com
CONTEC CMS50-pro CE Pulse Oximeter - Blood Fingertip Pulse Oximeter