Accurate and fast: Accurate and fast measurement of spo2, pulse rate, pulse rate waveform and bar chart display. Has rotatable multidirectional display. Portable: Lightweight, easy to carry and easy to use, you simply place your finger in the fingertip pulse oximeter test chamber and the results will be displayed. Long life: The oxygen meter fingertip clip is made of high-quality plastic, convenient, suitable for various finger sizes, battery life of 20-30 hours, automatic power off after 5 seconds. Easy to use: Pulse oximeter is simple to use, easy to operate, one-button test, easy to read data. Date First Available November 20, 2023