A blood Pressure Monitor reduces the frequent hospital visits just to check blood pressure. You can operate this monitor with 4 AA batteries or you could use an AC adapter. Moreover, The best feature about this product is you can use it whenever you want and you don't need anyone to tie the strap around the arm like those traditional devices used to have. This device comes with Certifications: ISI & ISO 9001:2015, CE 0197. Buying from Myjik you will get 2 Years warranty. To check this product visit the below link.
https://myjik.com/product/pagoda-professionaldigital/