Quickly and accurately monitor human arterial blood oxygen saturation and pulse rate.Silicone shading design, soft and comfortable, accord with ergonomic design.Fast monitoring in 8 seconds to avoid long waiting.LED backlight display, the measurement result is clear at a glance.The whole monitoring process is non-invasive, painless, and non-feeling.Meet the monitoring needs of most people and skin color. , Small size, light weight, easy to carry.Low power consumption and long battery life.It will automatically shut down in 8 seconds without a finger to save power.note:1. In order to ensure the accuracy of the test results, please take a reading 8 seconds after the measurement.2. Please try to use this product indoors to improve accuracy.3. Please stay away from strong light and infrared devices to avoid interference.4. Please keep the instrument stable during use.5. Please replace the battery in time when the battery power is low.Product Name: Finger Clip Pulse OximeterSaturation display range: 0%-100%Pulse rate display range: 25bpm-250bpmDisplay mode: LEDPower mode: 2 AAA batteriesDegree of protection: IPX1Weight: 38g (not including battery)