2.0-inch LCD Digital Blood Pressure Meter Electronic Upper Arm Blood Pressure Monitor Blood Pressure Cuff Household Automatic BP Cuff Blood Pressure Tester Arm Cuff Dual User Mode 99 Groups Memory with English Voice Broadcast Features: Voice Broadcast & Year/Date/Time Function: it will voice broadcast the test results in English after every measurement(Only The Voice Broadcast Version has this function. you can turn the speaker off as well), and the date/time feature is good for you to review the previous blood pressure history. Automatic Testing, Easy e: after binding the cuff on the upper arm and sit at a right gesture, then press the on/off button and the blood pressure monitor will start to measure automatically, the speed is fast and the result is accurate. Dual Users Mode & 99-group Memory: it can save measurement results up to 99 groups of each user, nice for you to keep track of your blood pressure/pulse. When the memory capacity is full, the earliest measured data will be covered by the latest one. 2.0-inch LCD Digital Display Screen: shows the test result systolic pressure, diastolic blood pressure, and pulse, large screen and large characters, and the reading is clear. Compact Portable Size: simple appearance with easy-to-operate push button control, convenient for you to monitor the blood pressure no matter where/when. Low Power Consumption: powered by 4pcs 1.5V AAA batteries, auto power off when no operation for 1 minute, and has low battery indicator. Specifications: Type: With English Voice Broadcast Function / Without Voice Broadcast (Optional) Material: ABS Memory: 99 groups Measurement Mode: Oscillometric method Measurement Range:   Pressure: 20~280 blood pressure (2.7~37kPa)   Pulse: 40~160 times/min Measurable Arm Circumference: 20~34cm Working Environment: 5~40℃, 85%, 85~105kPa Store/Transport Environment: -20~55℃, 10~93%, 50~105kPa Power Supply: 4 * 1.5V AAA battery (NOT included) Item Size: 116 * 96 * 60mm / 4.57 * 3.78 * 2.36in Item Weight: 310g / 10.95oz Package Weight: 375g / 13.24oz Package Size: 16 * 11 * 10cm / 6.30 * 4.33 * 3.94in Packing List: 1 * Blood Pressure Monitor 1 * Manual (English)