Omron M6 AC with power supply tonometre + 5 years warrantyExtended easy cuff (22 42cm) with easy tightening, replaces 2 cuffs (standard + for strong arm). Clinically proven accuracy according to the European Society of Hypertension protocol measurement is as accurate as the doctor's listening method. Color hypertension indicator for easy evaluation (LED next to the display) Green = OK, Orange = any of the measured values is higher than the "healthy" blood pressure for home measurements: 135 85 mmHg Color