The above mentioned sellers are selling fake Oximeter on Amazon platform. This fake product is being sold in name of Keymax Finger Pulse Oxygen Meter with Audio Visual Alarm and Respiratory Rate Pulse Oximeter Fingertip
Please refer to the attached image. O2 level of human and quilt are measured as same by this device. also using of spring at the positive side of battery terminal shows clearly that this is a fake product.
During this pandemic oximeter is being used to detect impact of corona. now if this device display random measurement on its own then it will not only cause burden on hospitals but also some serious patient may die.
Pune 411027, Maharashtra