Due to the UK being shut off from the European mainland because of the new Covid-19 mutation it is very likely your order will be delayed until further notice. There is nothing we can do about this at this point in time
You can easily measure at home how vital you are with blood pressure monitors and personal scales. The latter are available as analog and digital copies with which you can accurately measure your weight. But you can also keep track of your fat percentage and muscle mass thanks to analysis scales. Frank also has a varied range of meters for the upper arm and wrist in the blood pressure monitors. Do you not only want to measure your vitality, but also save human lives? Then purchase an Automatic External Defibrillator (AED). Frank has a wide range of AEDs for different (public) spaces.