brand new and high quality Features:Professional and specially designed for ketone testing,made for urinalysis of both quanlitative and semi-quantitative.For medical organization testing and analyzing the urine specimen.Please read user manual included carefully before test,for correct operations and accurate results.One set includes 100 pieces of strips and please store it in dry condition if not use up yet.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. Specification:Type: Ketone TesterColor: As pictures shownSize: One SizePackage: 11x4.5x4.5cm(4.33x1.77x1.77in)Quantity: 1 Box(100Pcs) Note:1.1cm = 0.39inch.2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you4.This product has a shelf life of two years and we will ship it according to the most recent production date. Package includes:100 strips (1 bottle) Ketone Test Strips