Fingertip pulse oximeter which adopts optical detection technology can measure your blood oxygen saturation and heart rate quickly. Mini size and lightweight, not only suitable for home use, but also suitable for travel use. Features: One-button operation, optical detection technology, 10s quick measurement. LCD clear display, 2 directions for conveniently reading. Clearly displays blood oxygen and heart rate, high accuracy. Auto shut down in 8 seconds, energy-saving and eco-friendly. Numbers displayed on the screen will flash when reaching alarm value. Mini oximeter with lanyard, portable for home or travel use. Specifications: Color: Black Material: ABS Display Type: LCD Display SpO2 Measurement range: 70%-90% SpO2 Accuracy: ±2% on the stage of 80%-99%, ±3% on the stage of 70%-79% SpO2 Resolution: ±1% PR Measurement Range: 30BPM-240BPM PR Accuracy: ±1BPM Alarm Function: Numbers Flash (SpO2>100, SpO2<90) (PR>130, PR<60) Battery: 2 * AAA Battery (NOT included) Working Current: 2.5mA
