Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor With Silicon Cover And Batteries(Green) The product is shipped based on the color or size of the main image of the product page. Colour:green ACCURATE AND RELIABLE: Accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength and display it conveniently on a large digital LED display. FULL SPO2 VALUE: The ONLY LED pulse oximeter that can read and display up to 100% for SpO2. SPORT/HEALTH ENTHUSIASTS: For sports enthusiasts like mountain climbers, skiers, bikers or anyone interested in measuring their SpO2 and pulse rate. SpO2 and Pulse Rate now faces instead of away from the user for an easy read. ACCOMODATES WIDE RANGE OF FINGER SIZES: Finger chamber with SMART Spring System. Works for ages 12 and above.