Memory storage for up to 90 previous readings, with memory averaging of the last three tests for 3 zones. Hear Sense (R) technology measures blood pressure and pulse quickly and knows the proper necesssary 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 English/Spanish/French instruction manual, 4 AA batteries and soft, gray nylon case. Validations include Good Housekeeping Seal of Approval. Lifetime warranty. HCPCS: A4670