Fingertip pulse oximeter finger oxygen saturation monitor SpO2 level heart rate monitor Features: 1.Pulse oximeter for sports has 2-direction display adjustable. 2. Reliable accuracy and durability. 3.Automatic shutdown when no signal. 4. Small size, light weight, easy to carry. 5. Low voltage indicator, real-time spot check. Specification: Material: ABS Color: Bule Power supply: 2 AAA batteries (not included) Package Included: 1 x Exercise Fingertip Oximeter 1 x Instruction manual 1 x Portable lanyard Caution: The batteries installed in the device are in two opposite directions. When installing the batteries, you need to check the positive and negative numbers on the battery slots first, as incorrect polarity will prevent the device from working properly. ACCURATE BLOOD OXYGEN SATURATION AND PULSE RATE READINGS IN ONE DEVICE: The FINGER TIP PULSE OXYGENMETER MONITOR is suitable for all finger sizes, from children from four years of age and up to adults, because it measures oxygen levels in the blood and reads the pulse rate in as little as 8 to 10 seconds. It is critical to use the device in a resting position rather than during exercise to get an accurate reading. Quick and easy readings: SpO2 and pulse rate are displayed on a bright LED display, and the LED display cover protects against ambient light washout for clear readings. The average time to take a reading is 8 to 10 seconds. LOW POWER CONSUMPTION: The oximeter automatically shuts off when not in use and provides up to 24 hours of continuous battery life. Portable and lightweight: Attach the included lanyard to the case or directly to the oximeter for ready access. DESIGNED FOR HOME USE, EXERCISE OR TRAVEL: While the BDUN FINGER TIP PULSE OXIMETER is convenient for checking vital signs, it is not intended for medical use, but rather for use when you need to be exercising or playing a sport (such as running, hiking, or biking) or taking a flight: