• Accurately measures oxygen saturation of arterial hemoglobin and pulse rate
• Accommodates a wide range of fingers sizes, circumference approximately 20–75mm, user weight approximately 33 lbs ~ 242 lbs (15KG~110KG)
• Audible results announcement
• Large LCD display with red digital readout
• Display Blood-Oxygen Saturation (SpO2), Pulse Rate and Pulse Bar
• No prescription required
• Low battery indicator
• Automatic shut-off
• Batteries included; 2 AAA
• Adjustable neck strap with quick release lanyard
• Latex-free
• Includes: Pulse oximeter, lanyard, canvas storage bag, two AAA batteries and detailed English/Spanish instructions 

Some studies have indicated that certain physical traits, including, but not limited to darker skin pigmentation, finger thickness, and peripheral perfusion may create variations in readings that make the oxygen level appear higher than it actually is. Users should establish a baseline value when healthy and at rest. It is recommended that users consult a licensed healthcare provider on how to interpret user readings based on physical traits or characteristics.