【US STOCK and Fulfilled by Amazon】The oximeter are all in the Amazon warehouse in the United States. We mail the products to you via Amazon. 24 months of manufacturer warranty. If the product has quality problems, please contact the seller for free replacement via Amazon Mail. For sports or aviation use.
【RELIABLE】From the ABS shell, OLED screen, acrylic panel, high-speed computing chips , anti-skip silicone inside, medical-grade silicone finger mold and various electronic components of oxygen finger monitor, all adopt high-quality materials and components. Even the spring of the oximeter finger has been subjected to thousands of tests. We will never use any cheap material to make oxygen monitor.
【ACCURATE】 The fingertip pulse oximeter deviates less than 1% under lab conditions. Upgrade LED and sensor allows SpO2 (Blood Oxygen Saturation level) and pulse rate measurement at low blood perfusion index. Plethysmograph and Perfusion Index can help you to judge whether your measured SpO2 and Pulse Rate is properly.