HOLFENRY JKS50A Pulse Oximeter-Oxygen Monitor Fingertip Pulse Oximeter Fingertip, Large Display, Included with AAA Battery

Features

• [ComfortFit Design] Engineered for smaller finger sizes, this pulse oximeter ensures a secure yet gentle grip. The thoughtful contour reduces pressure points, while the advanced sensor speeds up measurement typically within 8 seconds.
• [Out of the Box] Batteries and lanyard are included, so you can start testing right away. The simple onebutton design makes it effortless to use anywhere at home, in the gym, or during travel.
• [Clear Display] The pulse oximeter fingertip has a new upgraded higher brightness display that clearly displays readings. Rich display color improves readability.
• [Software & Hardware Upgrade] The oxygen monitor fingertip is equipped with an Early-Warning chip. When the reading exceeds the set range, the abnormal reading will flash repeatedly to remind you. The brightness adjustment function is added to the software, so users no longer have to worry about not being able to see the reading clearly.
• [Low Energy Design] HOLFENRY pulse oximeter simplify operation and user-friendly. When there is no operation, the pulse ox will automatically shut down after 6 seconds. Don't worry about the extra costs of repeatedly replacing the battery.
• [Packing List] Contains a pulse oximeter, 2 AAA batteries, a lanyard and a manual. Note: This oxygen monitor is only used for sports and aviation purposes, not intended for medical purposes.