1byone Bluetooth Blood Pressure Monitor Upper Arm Blood Pressure Machine with Cuff, Automatic Digital BP Monitor, 120 Groups Memory, 4.7 inch Display, Cloud Storage, Batteries Included (Black)
... Powered by 4 AAA batteries (Included) or 1 byone AC adapter(NOT INCLUDED).
Large Backlight Display and Two User Mode: 4.7 inch large display with High-Def Backlit offers clear readings.
The upper arm BP cuff monitor can store 120 sets memory for two users, and store unlimited records on app and upload them to cloud storage.