Oriley OXMTR01 Fingertip Pulse Oximeter with OLED Display Blood Oxygen SpO2 Saturation Level, Heart Rate Monitor & Waveform Sensor for Home & Sports Pulse Oximeter  (Blue)

Measure your blood-oxygen levels & heart beat in seconds! Oriley Pulse Oximeter registers a constant reading in several seconds (10sec. for the most accuracy) and is able to provide quick information regarding your blood oxygen levels, heart rate and waveform. Getting a reading is simple: Place finger in device and press power button. After scanning, two reading will be displayed for SPO2 (blood oxygen saturation) level & pulse rate at their marked positions. Specifications: Display Format: 2-color OLED Display SpO2 Range: 0%-100% and Accuracy: ±2% SpO2 Resolution: ±1% Pulse Rate Range: 30bpm-250bpm and Accuracy: ±2bpm Pulse Wave Display: Bar-graph and Waveform Power Requirements: 2×1.5V AAA battery (rechargeable battery also supports) Dimension (in cm): 57 (L) x 31 (W) x 32 (H) Weight: 50g Note: AAA batteries are not included in the package.