Features: 【Blood Pressure Monitor with Arm Barrel】Adopts movable arm barrel design, more convenient to adjust up and down. The center of the arm barrel is at the same height as the heart, and the measurement is more accurate. 【One-Button Operation, Easy to Use】Just 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 and reading data is easy. 【Accurate Measurement & Voice Broadcast】Adopts 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. 【Heart Rate Detection】One 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 and your family health status every day. 【Measurement Memory for 2 Users】Supports 2 groups storage and 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) and Type-C DC6V/2A adapter(not included) power supply. Specifications: Screen: LED Digital Display Arm Cuff Size: 22-36cm Pressure Accuracy: ±0.4kPa(±3mmHg) Pressure Range: 0mmHg to 280mmHg(0kPa-37.3kPa) Heart Rate Range: 40-195times/min Pulse Accuracy: ±5% 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℃ to 40℃ Storage Temperature: -20℃ to 50℃ 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