Haier Wrist Blood Pressure Meter bought on Poundland is not reliable

Haier wrist blood pressure meter bought on Poundland is not reliable. According to the query related public information shows that Poundland on the blood pressure meter cheap, did not go through the quality inspection department audit, precision is not guaranteed, most of them are some of the shoddy products without the inspection certificate, medical equipment is not allowed to have such a product.