Specification: Item Type: Blood Pressure Monitor Material: ABS Battery: 2pcs AAA batteries (Not included) Display Mode: LCD digital display Measuring Range: Pressure: 0-280mmHg (OKPA-37.3kPa) Pulse: 40-199 beats /min Package List: 1 x Blood Pressure Monitor 1 x Storage Box 1 x Manual INDICATIONS That's it!Tips: When measuring your blood pressure, be sure to keep it at the same height as your heart. To ensure the accuracy of the measurement results. Usage: Wrap the tester around the inner side of the left wrist and Paste the extra parts to the wristband from bottom to top. Place the wristband at a distance of 10 ~ 15mm / 0.4 ~ 0.6in from the palm to the wrist (about one finger width). High Efficiency Measuring: Powered by 2pcs AAA battery (not included), high sensitivity and quick response for high efficiency measuring. Measuring Range: Pressure measuring range of 0-280mmHg (OKPA-37.3kPa) and pulse measuring range of 40-199 beats /min. Suitable For Home Or Outdoor Use: Clinical measurement blood pressure monitor, suitable for home or outdoor use, easy to take accurate readings.