The Bluestone Automatic Wrist Blood Pressure Monitor is designed to be a fully automatic, one button operation that is convenient to use for at home monitoring or on the go blood pressure monitoring. This monitor is an accurate and easy to read device allows up to 120 readings for up to 4 people on an LCD display. This automatic digital monitor is a World Health Organization Blood Pressure Classification Indicator and helps to provide reliable results, consistent with the WHO set standards. One Touch Fully Automatic Blood Pressure Monitor Systolic, Diastolic and Pulse Readings are Displayed Simultaneously Clear LCD display World Health Organization Blood Pressure Classification Indicator Easy to Use 4 Person Memory up to 120 Readings Date and Time Stamp Memory Averaging Function Includes Plastic Storage Case for Protection and Portability Requires 2 AAA Batteries (Not Included) Dimensions: o Length 3 inches o Width: 2.5 inches