Product / Service: a blood pressure measurement Beurer BM 40 Blood pressure monitor + mains adapter - automatic blood pressure and pulse on the upper arm - XL screen : 83 x 54 mm, and digital SYS / DIA: 21. mm - the average of all measurements stored and blood pressure in the morning and evening during the 7 days - 2 x 60 memory spaces - a measure wHO * ( type the guidelines of WHO *) . - monitoring stroke : alert in case of abnormal heart rhythm that is possible - medical products - for arm circumference 22-35 cm - date / time - turn off automatically - in the case of the signal . Errors - Battery charging indicator - 4 x 1.5V batteries AAA - Dimensions (W / I / s ): 119 x 109 x 60 mm - Weight : about 257 grams - 3 year warranty.