brand new and high quality Features: The heartbeat detector can detect irregular heartbeats during the measurement process and send you a notification, and send a notification signal on the screen in for time to provide more for protection for your for health. Blood pressure monitor supports data storage for 2 users, each user can store 99 sets of data memory with date and for time stamp, perfectly tracking your for health and comparing trends over a period of for time. One-button operation is easy to use, automatic measurement, just wear the arm cuff and press the switch button, you can quickly get the answer. During the operation, the voice will be broadcast, and the detection result will be read automatically and displayed automatically, which is easy to understand.(optional) Auto power off: auto power off when no operation for 1 minute. Voltage power detection, low power consumption. Specifications: Material: ABS Product name: Arm Electronic Blood Pressure Monitor Display: LCD digital display Measuring method: pulse scanning method/oscillometric method Measuring range: hypertension/hypotension: 20mmHg~280mmHg, pulse: (40~200) times/min Resolution: 1mmHg (0.1kPa) Accuracy: 3mmHg (0.4kPa) Pulse: within 3% of reading Voltage: 6V Power consumption: 0.01W Size: app.115x96x59mm/4.53x3.78x2.32in Color: As pictures shown Optional styles: A(with voice), B(without voice) Quantity: 1set Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Electronic Blood Pressure Monitor 1 x Arm Blood Pressure Cuff(other accessories demo in the picture is not included.)