This product is an tool that every parent with a teenager that is suspected of vaping or smoking. It has actually saved his life and made him realize that life is precious. You only get one life to live.
Easy to use and worth the money.
I needed to have a nicotine metabolites test for surgery. This product was on the money after 5 days of abstinence .
Everything went smoothly.
My 14 year old now gets it that we have a reliable way to verify if he is vaping.