Features: Disposable Covid-19 antigen rapid test kit, latex lateral flow assay. Normal temperature preserve. Easy to use, no discomfort. Home self test kit. Individual package, portable to carry. 15 minutes quick result, up to 98% high accuracy. For Omicron, Delta, Lambda, Gamma, Beta, Alpha. As a first test, it can't represent the final result. If the result turns out to be positive, please go to the hospital for testing again. Using Steps: 1. Take out the throat swab, gently rub the pharyngeal tonsils 3-5 times 2. Open the lysate, put in the swab, and break it gently 3. Cover it and shake to dissolve, let stand for 1 minute 4. Drop liquid (2 drops) into reagent card, wait for 15 minutes, check it with the test card to know the result.