FL100/FL420 Pulse Oximeter with Alarm, Blood Oxygen Monitor

SPO2 and PR display,PR waveform and bargraph display•Built in alarm can be set to high and low. Adjustable audio alarm range:the safety range of SPO2 and pulse rate are adjustable•Operation of the product is simple ,low power consumption. For sports and/or aviation use only•Four directions and eight display modes,Color OLED 8 Directions Display•Automatically power off function: when the device is under the state of measuring interface . it will automatically power off within 5 seconds if the finger falls out of probe