Digital Pressure Mon Machine Upper Arm Automatic with carry bag The product is shipped based on the color or size of the main image of the product page. Item Description: digital pressure mon uses the oscillometric method of pressure measurement. It measures the systolic pressure, diastolic pressure and pulse rate at the same time. With the digital display it is convenient for you to read your results. It is accurate and easy to operate, a wonderful present for your families and friends and portable health care mon for home and travel use. Product s: : Grey Material: Size (not include cuff): Approx. 126*98*60mm Display: LCD digital display Measuring principle: Oscillometric method Measuring localization: Upper arm Measuring accuracy: Pressure: 3mmHg; Pulse: 5% of reading Resolution: 1mmHg (0.1kPa) Measuring range: Pressure: 0 to 280mmHg; Pulse: 40 to 199 pulses/min Memory function: 2 x 90 sets memory of measurement values Inflation: Automatic by micro air pump Deflation: Active electronic control valve source: 4 X AAA batteries (Not included) Automatic power off: about 3 minutes Operating environment: Temperature: 5?~40?; Humidity: 15%~85%RH; pressure: 86kPa~106kPa. Storage environment: Temperature: -20?~55?; Humidity: 10%~85%RH Accessories: Cuff band, User manual