ACCURATE AND RELIABLE - Accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse strength in 10 seconds and display it conveniently on a large digital LED display. SPORT/HEALTH ENTHUSIASTS - For sports enthusiasts like mountain climbers, skiers, bikers or anyone interested in measuring their SpO2 and pulse rate. More Details: Reliable accuracy and durability for fingertip pulse oximeter. Four Colour LED Display, 2 Direction Display adjustable. Low voltage indicator, Real-time spot-checks. Low power consumption, 50 hours continuous to work. Low Perfusion ≤0.4%. Small and light weight, convenient to carry. Easy to Use: This Oxygen Saturation Monitor is an innovated medical device withnon-invasive and continuous features for artery SPO2 and Pulse Rate (PR)detection. Very portable, it is able to measure SPO2 and PR values quickly andprecisely for home use, medical, sports and more. Product description Specifications: Color: blue+white Material: plastic