This was purchased three days ago for my mother in law but we discovered on trying it that as she has very thin arms so the cuff was too big for her. The cuff size is a universal size ranging from 22 - 42cm. It takes 4 x AAA batteries but unfortunately I am not permitted to put them in the post. This is an excellent monitor and so easy to use with a date and time facility to keep an accurate record of readings as well as storing thirty readings in its memory. I believe my partner paid around £19.99 for it??
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