✓??Complete Accessories?The package includes 1x Pulse Oximeter, 2x AAA Batteries, 1x Carrying Case for easy storage and good protection, 1x Lanyard and 1x User Manual. No-Hassle 1-Year Manufacturer Warranty. Please read the instructions carefully before using the fingertip pulse oximeter and feel free to contact us if you have any questions. Accommodates most finger sizes for adults and children ages 2 years and up. ✓??Portable & Easy Operation?Light-weight, compact and convenient to carry with you for quick, accurate results at home or outdoors. One-button design ensures easy operation and suitable for daily use at any time. Ideal for sports activities such as mountain climbing, running, biking, etc., and perfect for traveling, patients, elderly, professional athletes, fitness enthusiasts and more. Oximeter Dimensions: 57mm (L) x 31mm (W) x 30.5mm (D); Weight: approx. 54 g (including 2x AAA battery). ✓??For Daily Use?Widely appliable at home, in hospitals, oxygen bars, for sports medicine healthcare, community medical care, etc. The pulse oximeter is ideal for measuring your oxygen saturation level before or after sports activities and monitoring the health of individuals with certain types of condition that can affect blood oxygen levels. Audio alarm will sound when risky readings are detected and the thresholds are adjustable for SpO2 and PR bpm. Latex-free materials are safe for all ages. ✓??User-Friendly Design?An economical and reliable device for monitoring blood SpO2 and PR through fingertips. High quality transparent acrylic panel with dual-color display supports 4-direction rotation to offer 6 different layout mode options for your convenience. 5-level adjustable brightness backlit OLED screen is easy to use in the dark. Automatic power off after 8 seconds being idle to save battery power and features low battery alarm. ✓??Accurate, Reliable & Quick Readings?For sports and aviation use only, not for medical use. Integrating blood oxygen probe and display module into one device, Tomorotec Fingertip Pulse Oximeter provides correct real time readings of Blood Oxygen Saturation Level (SpO2), Perfusion Index (PI), Pulse Rate (PR) Pulse Bar & Plethysmographic Waveform, Respiratory Rate (RR) and battery level. It takes only a few seconds to get the results that are clinically proven to be accurate and consistent.