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Ready Pulse Oximeter Monitor Finger Oxymeter Meter Clip Pulse Oximetry Tester Product Name :pulse oximeter power consumption: Smaller than 30mA Operating temperature :5°C~40°C SpO2 Measuring Range :35%~100% Accuracy :±2bpm or ±2% Display :LCD display Pulse rate display :30~250BPM net wight :31.4g dimension :60mm*35mm*37mm EMC :type B class 1 LCD liquid crystal display with backlight, you can change the direction 1 Blood oxygen saturation and pulse monitoring, waveform display. 2 With menu operation. 3 Low power consumption, continuous working for 50 hours. 4 Small size, light weight, easy to carry. 5 Low voltage alarm display, automatic power off. 6 Use standard AAA batteries