Wrist monitor offers convenience, portability and accuracy to monitor blood pressure. Features: The 7 Series stores up to 90 readings for one user or unlimited readings when used with the free OMRON Connect app. Other features include UltraSilent Inflation, Heart Zone Guidance technology, Advanced Averaging, detects irregular heartbeats, body movement, and hypertension. Fits adult wrists from 5.3" to 8.5" in circumference. Comes with instruction manual, 1 quick start guide, 2 AAA batteries and storage case.