Fingertip pulse oximeter P5

Alarm and menu function OLED display, four directions adjustable SpO2 and pulse monitoring with waveform display Low -power consumption, continuously work for 50 hours Small in size, light in weight, and convenient to carry Low voltage alarm display, Auto power off Runs on standard AAA batteries Four colors selectable Operation Instructions Install two AAA batteries into battery cassette before covering its cover. Plug one finger into rubber hole of the Oximeter (it is best to plug the finger thoroughly) before releasing the clamp with the nail upwards. Press button on the front panel; Do not tremble your finger when the Oximeter is working. Your body is not recommended on moving status. Press the button on the front panel, if we want change display direction; Read relevant datum from display screen. If there is no signal input, oximeter can shut off automatically; Please replace new batteries when OLED indicates the batteries are in low power.