ACCURATE AND FAST- This oxygen monitor can accurately determine your SpO2 (blood oxygen saturation levels), heart rate, and pulse strength in 8 seconds and display it conveniently on a large digital LED display. SPORT ENTHUSIASTS- Suitable for mountain climbers, skiers, bikers, aviators, or anyone interested in measuring their SpO2 and pulse rate while on the move. You should only use the pulse ox before or after your exercise. Also, you must remain stationary while the pulse oximeter measures your pulse rate and SpO2 levels. This device is for sports and aviation use only. WIDE RANGE OF APPLICATIONS & LONG BATTERY LIFE -This blood oxygen finger meter light is compact, accommodates a wide range of finger sizes, has low power consumption long battery life, and automatic power off after 16 seconds. CLEAR AND EASY TO READ -This blood and oxygen monitor have an LED display, you can read it in high light clearly. Our finger oxygen sensor will check and display in real-time SpO2, PR, and Pulse bar graphs which are very easy to understand. SUITABLE FOR WIDE RANGE OF FINGER SIZES -Our SpO2 saturation monitor can be used for a finger chamber with SMART Senior. Pulse oximetry can be used for all ages but more accurately works for ages 12 and above. The Product Features of Pulse Oximeter:1. Operation of the product is simple and convenient.2. The product is small in volume, light in weight(total weight is about 50g including batteries)， comes with a lanyard, and is convenient for carrying.3. Power consumption of the product is low.4. The product will automatically be powered off when no signal is in the product within 5 seconds. Technical Details:.SpO2 Range: 0% - 100%.Accuracy: ±2%.SpO2 Resolution: ±1%.Pulse Rate Range: 30-250bpm.Pulse Rate Resolution: ±1bpm.LED Display.Infra-red AbsorbanceCaution:1. The finger should be placed properly, or else it may cause inaccurate measurement2. The SpO2 sensor and photoelectric receiving tube should be arranged in a way with the subject's arteriole in a position there between.3. Excessive ambient light may affect the measuring result. It includes a fluorescent lamp, dual ruby light, infrared heater, direct sunlight etc.4. Strenuous action of the subject or extreme electrosurgical interference may also affect the accuracy.5. Suitable for mountain climbers, skiers, bikers, aviators or anyone interested in measuring their SpO2 and pulse rate while on the move. You should only use the pulse ox before or after your exercise. This device is for sports and aviation use only. Package List:1x Pulse Oximeter1x Lanyard1x Packing Box