• Measurement_accuracy: Pulse Rate: 30-250bpm, number_of_items: Device, Battery, Lanyard, Instruction manual
• Display type and parameter - dual color OLED display, displays Spo2, PR, pi (perfusion index), pulse bar, and waveform
• Accuracy - highly accurate for measurement of oxygen level and pulse rate
• Brightness - user brightness adjustable up to 10 levels
• Power off - automatically after 1 minute, if not in use
• Unstable or weak measurement signal prompt mark provides more accuracy
• Adjustable visual and audible prompts for Spo2 and PR limits