One button control - with latest 3rd generation fully automatic measurement technology and semi large cuff size from 23-37 cm Irregular Heart Beat Indicator (IHB) - can be useful in the detection of atrial fibrillation Clinically validated to the world recognised European Hypertension Society (ESH) 2010 protocol World Health Organisation (WHO) blood pressure classification indicator - for easy and clear understanding of BP reading Unique 5 year product warranty - for complete peace of mind. The ua-651sl utilizes the latest 3rd generation technology from a, easy one button operation incorporating the advantage of automatic fuzzy logic controlled inflation. The ua-651sl is supplied with a latex and metal free, semi-large slimfit cuff (23-37cm) giving the user a more comfortable experience. The ua-651sl is clinically validated to the world recognized. The average value feature of the stored data (up to 30 readings) along with the who blood pressure classification indictor allows the user to better control their management program. One button operation. Irregular heartbeat detector. AA batteries included. Manufacturers 5 year guarantee.