The battery-powered Mabis digital wrist blood pressure monitor is compact, cord-free and portable. A backlit LCD screen shows large, easy-to-read numbers.. Readings of pulse and blood pressure are clinic-accurate for reliable performance. Irregular heartbeat detection alerts users in real time.. A visual guide shows where blood pressure falls on a low-to-high scale.. The Mabis blood pressure monitor stores up to 120 readings for one user or 60 each for two users, providing reference data.. The unit establishes a baseline by averaging the last three readings..