EASY & FAST MEASUREMENT - All you need to do is clip the oximeter to your finger, click the start button and wait 7 seconds until your heart rate (PR), blood oxygen concentration, perfusion index (PI) bar or wave graphs are displayed on the screen with the pulse
ACCURATE & RELIABLE RESULTS - AFAC finger oxygen saturation monitor can accurately measure human heart rate, blood oxygen rate and perfusion index. Safe and reliable with high quality
4 DIRECTION OLED DISPLAY & WIDE APPLICATION - Colorful OLED screen in 4 directions with one press of the start button; suitable for athletes, the elderly, long-term alcohol drinkers, people with respiratory or cardiovascular diseases and people fatigued from work
PORTABLE & COMFORTABLE - Lightweight, small size with lanyard. You can put it in your pocket or hang it around your neck. The built-in silicone is very safe and comfortable. Your finger will not feel any discomfort, even for prolonged use
PACKAGE LIST & CUSTOMER SERVICE - Package includes, 1x oxygen saturation monitor, 1x lanyard, 1x instruction manual. If you have any questions, don't hesitate to ask our official Amazon customer service