[Simple to Read with Large Backlit Display]-Digital BP machine has a large screen display with clear, supersized number values appear during measurements for convenient and easy reading, allows the visually impaired to feel comfortable using the device. The measuring result, date and time be written on the screen with large clear numbers. So this blood pressure monitor is an Perfect choice for the elderly with poor eyesight. Reading blood pressure is no longer a chore. [Advanced Accuracy Measurement]-Upper arm blood pressure monitor equips with advanced measurement techniques that gives you not just fast reading method but more accurate results. Plus, this Blood Pressure Monitor is effective enough to track , help you know the and alert you to any issues as early as possible, which makes it convenient to track your every day. [Super Easy Operation]- Are you worried the upper arm blood pressure monitor is too complicated for the elderly? Absolutely not! Super convenient one-touch operation and easy-to-read display allow all the elderly to use our BP machine monitor clearly independently without any assistance. Fully automatic compression and decompression. Just simply wear the cuff, pressing the switch button, and you get the answer within . Super easy for home use. . [Comfortable Wide-Range Cuff]- This blood pressure monitor comes with an adjustable & wide-range cuff which fits most adult arms 8.7 - 12.6inch (22cm-32cm). Strong Nylon Sticker around the cuff secure it around the arm and high quality anti-dust material as the is easy to clean. The cuff integrated with hook-and-loop fasteners, it is ergonomically designed to provide comfortable experience during the measurement process.It is recommended for home use. colour: black + white Material: Plastic Package Contents: 1 x Automatic Upper Arm Digital Blood Pressure Monitor Pulse Rate Monitoring Machine (not included 4 x AAA Battery) Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.