Innovative digital blood pressure monitor features automatic inflation, error detection and an easy one-button design for accurate and reliable readings. "Fuzzy logic" circuitry allows this blood pressure monitor to customize inflation levels for individual patients. Eight-bit processor delivers accurate results, and the results can be stored in the unit's memory. Easy-to-use, fast blood pressure monitor also features a large digital readout for easy viewing and a standard adult cuff that fits arms from 8-4/7" to 11-7/10" (22 to 30 cm). Monitor includes four AA batteries and a detailed instruction guide.