A Specification: Item Type: Blood Pressure Application: Wrist Color: As Shown Material: ABS Size: 70*72.6*32.5mm(L*W*H) Wrist Circumference: 135 ~ 195 mm Power Supply: 2 x AAA batteries (not included) Display: LCD Wrist Circumference: 135 ~ 195 mm/5.31~7.68 inch Measurement Range: Pressure: 20 ~ 280 mmHg Pulse Rate: 40 ~ 165 beat / min Pressure: within ±3 mmHg Pulse rate: within ±5% of reading B Description: 1. Multi core functions: health-free contact, 1 second temperature measurement, Bass care, no noise measurement. 2. Contactless-The thermometer measures the temperature by inhaling the infrared heat emitted by the human body, healthy and reliable to use. 3. Convenient to Measure-Align the thermometer probe in the middle of the forehead and maintain a vertical distance of about 3-5 cm. 4. Press it lightly, and the measurement value will be announced with a beep after about 1 second. Fast and accurate, suitable for infants, children, adults. 5. Low power design, No measurement after 15s, automatically close the screen to avoid battery loss. 6. Power: 2*AAA batteries (not included). Performance: Measuring range: 32.0-42.4℃ in body mode Measuring time: about 1 second Measuring distance: 1~5cm Displaymode: LCD Current consumption: ≤10µA in OFF status, ≤100mA in ON status (it is with auto shutdown self-detection function) Power: 2 x AAA batteries(3.0v)（not included） Style : Handheld C 10 SECOND PULSE & OXYGEN METER CHECK. The Medical Pulse Oximeter Fingertip is a compact heart rate monitor and oxygen monitor that checks pulse rate & blood oxygen saturation levels (SpO2) quickly & accurately GREAT FOR PHYSICALLY ACTIVE PEOPLE. Finger oximeter is perfect for runners, cyclists, & high performers looking to track their heart rate and SpO2 pulse oximeter levels after engaging in sporting activities. Perfect for kids use too. ALL AGES | ALL FINGER SIZES. Our simple & ergonomic blood oxygen monitor accommodates all finger sizes, so both kids and adults can use it. A perfect blood oxygen saturation monitor for all ages EASY-TO-READ DISPLAY. The Medical Pulse Oximeter comes with a big digital LED display which shows your o2 saturation monitor readings in large, easy-to-read digits. There’s also a battery life indicator.