Very Accurate; Matched Nurse's Readings

"At first I was a little confused as the directions are fine, but reading the Specifications are not clear, it does not come with a charger for lithium batteries and it isn't until the rereading that using AAA alkaline batteries is OK. I've been using this for months now. My readings are always higher at the doctor's office, so I wondered about the accuracy of this machine. To me, my readings always made sense. I used to have very high blood pressure, and the high readings coincided with the headaches. These days, I'm in much better shape, but it was dropping low - especially after a cardio workout, and if I took a medication too soon afterward, the very low readings explained the strange feeling and blurred vision (when it got down to 110 or lower). I've kept good records of my numbers, and brought in spreadsheets for the doctor, who said my numbers looked awesome...but then on every visit, BP would be higher.Not being one to just blindly take more meds with side effects (and I recently quit one), I had to settle a dispute. I took my monitor in, and we compared results. The first set of readings matched perfectly - systolic, diastolic, and even the pulse. We waited a few minutes, and tried again. The second readings were still extremely close - off by only 2-3 points (and closer to normal because they allowed me to sit for a few minutes). It proved that my BP is higher during an office visit (not concerned about that), but more importantly, it proved that my everyday normal readings are valid, so I can manage my health with confidence. I saw another review by someone who tried this same experiment and got inaccurate readings. I can only report on my own experience, and this model seems very accurate.The nurse was quite impressed with it, and made a note of which model I have. "

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