how do tobacco companies advertise are savvy about the power of branding Smoke gets in your eyes:

The WHO FCTC Protocol to Eliminate the Illicit Trade of Tobacco Products (ITP) is the key supply side policy to reduce tobacco use and its health and economic consequences

This means that smoke must reach the sensor for it to be activated

Key evaluation criteria include the absence of toxic alkaloids that intensify when pyrolyzed, low resin content that might irritate airways, proper drying and curing to prevent mold or bacterial colonization, and clean sourcing documented through third-party testing

Regardless, its a cheap pack, and its not bad, especially for the price, and for the smooth tobacco flavor and experience