Moda Pulse Oximeter is used to measure and monitor your pulse, pulse strength and blood oxygen level (SpO2). Show the reading in numbers as well as the waveforms (plethysmograph) and bar graph. OLED 4 directions displays to see the result from any direction easily. The Waveforms (plethysmograph) and Bar Graph give visual indication of the irregular, weak heartbeat or incorrect reading. Easy and Convenient One Button Operation, Auto power-off after 5 Seconds. Adjustable brightness for both indoor and outdoor environment. Lifetime Hassle free PRODUCT REPLACEMENT Guarantee. Super fast, accurate measurements of SpO2 and pulse rate by digital processing. Fit Child to adult all finger sizes. Comes with elegant carrying case and Neck/wrist cord; It is approved by FDA, perfect for sport and aviation use. Batteries Last for 1000’s of Readings.