Instructions: 1.Remove one strip from the bottle and replace the cap immediately. 2.Immerse the reagent area of the strip in the urine specimen and take it out quickly. 3.Wipe off excess urine against the rim of the specimen container. 4.Read the test results carefully within 60s in a good light and with the test area held near the appropriate color chart on the bottle label.Changes in color that appear only along the edges of the test pads or after moving than 2min have passed are of no diagnostic significance.Results with leukocytes test portion can be read within 120s. If reading instrumentally,carefully follow the directions given in the appropriate instrument operating manual. Package Include: 100 strips/Bottle Ketone Test Strips Note: 1.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 2.This product has a shelf life of two years and we will ship it according to the most recent production date.