【High Accuracy BP & HR Monitoring】- OUDEKAY blood pressure machines for home use is build with the latest chip and advanced AI algorithms, helps you to track your blood pressure and heart beat accurately with precisely high accuracy measuring: ±3mmHg/±0.4kPa(blood pressure); ±5%(pulse rate). It will alert you instantly if abnormal blood pressure or an irregular heartbeat is detected while you are being measured. Taking 2 or 3 readings for accuracy is recommended. 
【Double-User Mode】- 2 * 99 Memory storage with date & time. Easily Switch between 2 users to store results measured separately. Acquire your records & track your health figure at anytime you want. Its measurement stability is superior to the wrist one, and it is more suitable for patients with older age, irregular heartbeats people, and peripheral blood vessel aging caused by diabetes. 
【Large Screen Tricolor Backlight Display】- Easy-read backlight screen with extra-large digits and tricolor-colored LCD indicator lights to show your readings to the monitors clearly. The green means normal, the orange means a little high and the red means high, especially easy for the aged to read. 
【Adjustable Comfortable Cuff】- With 22-32cm(8.7–12.6in) large cuff,this blood pressure monitor fits most people within the accepted range even larger and strong arms . Velcro around the cuff secure the cuff around the arm. No replacement cuff needed. 
【Package Included & Customer Service】- 1 x Blood Pressure Monitor, 1 x Cuff, 4 x AAA Batteries, 1 x Instruction Manual, We provides 12 month Warranty and Professional 24 hours technical service. Blood pressure monitor is a great choice for parents, grandparents, lover, friends and can be widely used at home or in your doctor's/nurse's office.