This exemption is specifically for individuals using vapes for therapeutic purposes (quitting smoking), either for themselves or someone they are caring for who is travelling with them
Strength depends on the variant and how fresh the cigarette is
Waterproof & Safety Protection: With the features of better heat emission, wear resistant and non-flammable, and it also provides intelligent protection, such as over-load, over-heat, over-voltage, under-voltage and short-circuit protection
Research shows that the risk of getting sick from smoking is virtually the same whether you smoke low-yield cigarettes or normal cigarettes
Better Charging Solution As modern vehicles tend to be more technologically advanced, it heavily relies on the battery
But the companys Swiss research center, aka the Cube, just wont play along