Very difficult to set the scale to measure body weight, fat, hydration as it's supposed to do. The icon for 'female' does not appear, no matter which button you press. Even following the instructions from the manual, it is impossible to set, as the digital display keeps randomly changing very fast. Hence I am able to use the scale only to take my weight. There are NO instructions on how to cancel anything you have entered, in case you make a mistake - which you will do, because the display keeps constantly changing while you are trying to set it and you are left wondering what has been entered. And worse, you can't cancel and start again. There is no phone number for enquiries / assistance. I would not recommend this product.