Top s Recommended by Doctors/Pharmacists: PANACARE Blood pressure monitors is a one-button fully automatic blood pressure controller, which adopts advanced update algorithm and integrated smart chip with advanced measurement technology for provide you with the most accurate clinical reading. The data is displayed for 30 seconds and then turns off automatically. Convenient for monitoring your daily health. Large Three-color Backlit Screen: Large 3.4 inch LCD display with clear oversized numbers, which allows you to easily read your blood pressure and heart rate in real time. The three-color (green / yellow / red) backlit design display indicates if your blood pressure reading is optimal. It can be read clearly even in the dark. Blood pressure below 140mmHg (normal) is green, 140-180mmHg (mild to moderate hypertension) is pale yellow, and above 180mmHg (severe hypertension) is red. Voice Reading Function: Blood pressure machine Audio reading is very suitable for the elderly. You can use the "SET" button to turn the sound on or off or change the date. (You can also turn off the audio reading) You can also set an "alarm" that will remind you to measure and monitor your health at the same time every day. (Please keep blood pressure machine USB powered or use battery) 2 Users Memory Mode: Blood pressure monitors device can monitor 2 users at the same time, each display stores 198 readings and date and time. Help users easily monitor your family's health, blood pressure and heart rate based on specific days and times. If an irregular heart rate is detected, an indicator will appear to alert you. Separate user toggle button design for easy record of results for two users, especially for parents or grandparents. Adjustable Extra Long Cuff: Compared with other blood pressure monitors, our size is 30% longer, custom made for 8.7-16.5 inch, the adjustable cuff fits all standard large arms For adults, this bracelet is soft and has a wide range custom designed more comfortably. PANACARE is looking forward to providing you with a better service experience (Be sure to check if the size is right for you before buying) Two Power Modes: This Automatic Blood pressure machine for Upper Arm can be powered by 4 AA batteries (not included) or a USB charging cable (included). When used for blood pressure monitoring, it can be connected via adapter, laptop, power bank or 4 AA rechargeable batteries (not included). Reliable Durable & Portable: Made of ABS material, reliable and durable; the kit includes a portable blood pressure monitor,extended blood pressure cuffs, a cloth bag and a USB charging cable. Whether you are at home, office, traveling or business trip, you can measure your blood pressure anytime, anywhere, light and easy to carry, it is a good helper to monitor your health.