✅ Supplied to the NHS and listed on the NHS supply chain Clinically validated for accuracy by the British and Irish Hypertension Society and Clinically validated for accuracy by the European Society of Hypertension The NHS can only use clinically validated blood pressure monitors ✅ The UA-611 blood pressure monitor uses oscillometric readings of your blood pressure using an upper arm cuff enabling users to monitor their blood pressure with the same accuracy as your doctors office ✅ A&D Medical invented and patented the oscillometric technology in 1984, this technology is now used in all electric upper arm blood pressure monitors ✅ ITEMS INCLUDED: 1 x A&D Medical UA-611 portable blood pressure monitor with 1 x arm cuff (22 - 32 cm), 4 x AA batteries and instruction manual ✅ A&D Medical ensures quality, reliability, and compliance and each unit is supported with a 5 YEAR WARRANTY (excluding cuff and batteries) with UK customer and technical support.