SHELF-LIFE EXTENSION: Our tests sold from Amazon has 6 months longer shelf-life than the printed expiration date on the package. FDA granted 6 months shelf-life extension for the Celltrion DiaTrust COVID-19 Ag Home Test, which extended the shelf life from 12 months to 18 months as of May 20th, 2022. The affected lot numbers can be found on FDA’s website: https://www.fda.gov/media/159236/download.FDA EUA-AUTHORIZED HOME TEST (OTC): Celltrion DiaTrust COVID-19 Ag Home Test is an FDA EUA-authorized COVID-19 rapid antigen at-home testing kit. Self-test in the comfort of your own home, and get the relief you need, fast. For use in individuals aged 14 years and older..TWO TESTS PER KIT: Each kit contains supplies for two tests: swabs, test devices, test tubes (extraction buffer), filter caps, and an Instructions for Use manual. Test tubes and filter caps for two tests are enclosed in one inner package..RAPID RESULTS AND PERCENTAGE: The test gives you results in just 15 minutes and is authorized for at-home use without submitting sample collection to labs. Our home test is capable of detecting COVID-19 with 99.8% Negative Percent Agreement and 86.7% Positive Percent Agreement..SIMPLE STEPS: Just four steps from start to finish. The DiaTrust system makes getting your results easy. Detailed instruction is enclosed with the product and video instruction is available on both our product page and website. Test yourself and a family member at the same time or take two tests in a designated timeframe for travel, work, and more..SWAB WITH SOFTNESS: Our products prioritize user comfort, utilizing flock swabs with a softer tip that doesn’t irritate your nasal passages.