AUTOMATIC UPPER ARM PRECISION - Utilising the highly reliable oscillometric measurement method, this digital device delivers consistent systolic pressure, diastolic pressure, and pulse rate readings. Engineered for effortless home tracking, the straightforward one-button operation allows for immediate, accurate use without complicated setups or smartphone pairing. UNIVERSAL WIDE RANGE CUFF (22-42 CM) - Designed to accommodate a vast majority of adult users, the included SCW-009 wide cuff adjusts seamlessly from 22 to 42 centimetres. The soft, secure fabric design ensures proper compression one to two centimetres above the elbow, eliminating the pinching and discomfort often associated with standard straps. IRREGULAR HEARTBEAT (IHB) DETECTION - Stay fully informed about your cardiovascular patterns with the integrated IHB indicator, which instantly alerts you if an arrhythmic pulse is detected during testing. Combined with the visual WHO hypertension classification scale, you receive immediate, easily understandable context for your daily results. 99-READING MEMORY & AVERAGE CALCULATION - Seamlessly track your long-term cardiovascular trends using the robust internal memory, which automatically archives your last 99 readings complete with date and time stamps. The system automatically calculates and displays the average of your last three measurements for enhanced tracking clarity. HIGH-VISIBILITY LCD & ENERGY EFFICIENT - Read your statistics instantly on the large, crystal-clear digital display, specifically designed for optimum readability by seniors and adults alike. The complete kit includes four AA batteries providing up to 800 uses, while the intelligent auto-off function powers down the device after one minute of inactivity to preserve battery life.