Facelake ® FL400 Pulse Oximeter with Carrying Case, Batteries, Neck/Wrist Cord
Your blood-oxygen levels are seconds away!
The FL400 registers a constant reading in several seconds (24sec. for the most accuracy) and is able to provide quick information regarding your blood oxygen levels.
Getting a reading is simple:
The top number is the average heart rate.
The number below this is the blood oxygen saturation level.