COMPACT & CONVENIENT - Light-weight and compact, easy to handle and to carry with you for results at home or outdoors. Pulse Oximeter ideal for use after sports activities such as mountain climbing, running, biking, etc.. Use this instrument for measurement before or after sports. Not advised to use this instrument during sports activities DAILY ENTHUSIASTS - Oxygen meter finger pulse oximeter very suitable for those who need to measure and monitor oxygen saturation, pulse rate, such as: climbers, hikers, skiers, cyclists or anyone interested in measuring their SpO2 and pulse rate, it's also suitable for home. Remember to keep still when measuring EASY TO OPERATION - Stick one finger completely into the measuring parts of the Oximeter, keep the fingernail surface upward, and release the clip. If you do not yet completely insert your finger into the cavity, the measurement result may be inaccurate. Do not vibrate your finger during measurement. Preferably, ensure that your body does not move. After the readings become stable, read the measured values of oxygen saturation and the pulse rate on the screen ACCURATE AND RELIABLE - Quickly and accurately determine your SpO2 (blood oxygen saturation levels), pulse rate and pulse index and display it conveniently on a large digital OLED display OUT OF BOX READY - Our portable pulse oximeter fingertip comes with 1 pulse oximeter, 1 user manual, 2 AAA batteries, 1 hanging rope, 1 storage bag. Fingertip SpO2 Monitor is very light, small in size, and easy to carry with detachable lanyard; so, you can measure oxygen saturation anywhere ASIN B0C55G1X6B Color Black Brand Name YIDERBO Model Name pulse oximeter Part Number Oximeter Battery Life 30 days Manufacturer YIDERBO Model Number pulse oximeter Measuring Range SpO2: 95-100%, Pulse Rate: 40-240 bpm Included Components 1 pulse oximeter, 1 user manual, 2 AAA batteries, 1 hanging rope, 1 storage bag Number of Batteries 2 AAA batteries required. Are batteries included No Item Dimensions L x W x H 2.7 L x 1.99 W x 1.48 H