Accurate Readings: Measures SpO? levels (35%–100%) with ±2% accuracy and pulse rate (30–250 bpm), ensuring reliable health monitoring. OLED Display: Features a bright, easy-to-read OLED screen that shows SpO?, pulse rate, and perfusion index clearly. User-Friendly Design: Lightweight, compact, and portable – ideal for home, travel, or medical use. Power Efficient: Automatically shuts off after 8 seconds of inactivity and operates on two AAA batteries. Complete Package: Includes the oximeter, batteries, lanyard, user manual, and comes in a sleek black-orange color.