�Provides accurate readings with the single touch of a button. Features a large digital display panel which shows systolicdiastolic heart rate time and date. Memory storage for up to 90 previous readings with memory averaging of the last three tests for 3 zones. Heart Sense technology measures blood pressure and pulse quickly and knows the proper necessary inflation level. Automatic power off function and AC capability to help conserve batteries. Cuff is easy to clean durable water resistant nylon with brachial artery marker and proper size range indications fits arm sizes 9 13. Black with silver face. Includes EnglishSpanish instruction manual 4 AA batteries and soft gray nylon case. Validations include Good Housekeeping Seal of Approval. Lifetime warranty.