54224Originally translated from english hello with one of these centers, look for them here 40738Indicator Paper 100% Brand New and High QualityFeatures:Professional and specially designed for ketone testing, made for both quanlitative and semi-quantitative urinalysis. For medical organization examination and urine sample analysis. Please read the user manual carefully before the test for correct operations and accurate results. One set contains 100 pieces of strips and should be stored dry if it is not yet used. Instructions:1. Remove one strip. Dip the pad into a urine cup or a single stream of urine.2. Wait exactly 40 seconds and compared to the color chart on the bag. Specification: Type: Ketone TesterColor: As pictures shown Size: one size Package: 130x86x15mm(5.12x3.39x0.59in)Quantity: 1 bag (100pcs)Note:1.1cm=0.39in.2. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!4. This product has a shelf life of two years, and we will ship it according to the latest production date. Package Included: 1 Bag x Straps (100pcs)