Features: \u3010Blood Pressure Monitor with Arm Barrel\u3011Adopts movable arm barrel design, more convenient to adjust up down. The center of the arm barrel is at the same height as the heart, the measurement is more accurate. \u3010One-Button Operation, Easy to Use\u3011Just put your arm into the arm barrel in proper way, then simply press the button, the measurement process will be automatic completed. Even the elderly can use it without any pressure. With large LED screen display, the measurement results are clearly at a glance reading data is easy. \u3010Accurate Measurement \u0026 Voice Broadcast\u3011Adopts high precision chips to provide you with the most accurate measurement results. Supports English voice broadcast function, which is more friendly for the elderly to use. \u3010Heart Rate Detection\u3011One machine for multiple use. The blood pressure monitor is also sensitive enough to track heat rate at the same time when measuring the blood pressure. Helping Track your your family health status every day. \u3010Measurement Memory for 2 Users\u3011Supports 2 groups storage each group has 99 memories, suitable for one or two users. Automatic storage of measurement results, help you to remember the daily blood pressure value. Supports 4 AA batteries(not included) Type-C DC6V\/2A adapter(not included) power supply. Specifications: Screen: LED Digital Display Arm Cuff Size: 22-36cm Pressure Accuracy: \u00B10.4kPa(\u00B13mmHg) Pressure Range: 0mmHg to 280mmHg(0kPa-37.3kPa) Heart Rate Range: 40-195times\/min Pulse Accuracy: \u00B15% Memory Storage: 2 groups, 99 memories of each group Power Supply: 4 AA Batteries Powered(Not Included) or DC 6V\/2A type-C adapter(not included) Automatic Shut-Down: 1 minute Operation Temperature: 5\u2103 to 40\u2103 Storage Temperature: -20\u2103 to 50\u2103 Storage Humidity: 15%-80% Item Size: 26 17.3 21.9cm\/ 10.2 6.8 8.6in Item Weight: About 1140g\/ 2.5lbs Packing List: 1 Blood Pressure Monitor