intellisense with sigmacuff technology provides accurate, comfortable readingsadvanced positioning sensor (a.p.s.) automatically confirms that monitor is at heart levelsimple, silent, one-touch automatic operationextra-large, digital display with diastolic and systolic blood pressure, pulse, and date and timefeatures advanced diagnostics including irregular heartbeat detector, 90-memory storage and averages of last three readingsautomatic inflation by pump and automatic rapid deflation0 - 299 mmhg blood pressure measurement range with +/- 3 mmhg accuracy40 - 180 bpm pulse rate range with +/- 5 percent accuracy of readingcompact design for use anywheredurable, preformed cuff fits wrists 5-1/4" to 8-1/2" in circumferenceincludes storage case, two "aaa" batteries and illustrated instruction manual2-3/4" w x 2-1/8" h x 1-7/16" d (not including cuff); weighs approximately 110 gfive-year warrantyea