The Metene Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor. White monitor color. Lanyard includedFeatures:- Accurate And Reliable Detection: Using the most advanced MCU chip and sensor, blood oxygen signal is collected by photoelectric sensing principle. Only need several seconds to get measurement results, very accurate and reliable.- For Sports and Aviation Use Only: Suitable for sports enthusiasts and aviation use only , accommodates wide range of finger sizes - children to adult.- User Friendly Design: High quality transparent acrylic panel. The oxygen meter body is elaborately made of ABS material, very exquisite and compact. One button operation and shut down automatically without operation in 8 seconds. Large LED and backlight display make it very easy to read.- Lightweight & Portable: Metene fingertip pulse meter very light and easy to carry. This spo2 monitor is attached with detachable lanyard convenient to measure your oxygen saturation anywhere.Model Number: FS10I