Description: This ovulation urine test can accurately test the ovulation, fast and easy. This ovulation test paper is convenient to use, dip it into urine, then put it on a dry place, waiting for 3 minutes to see the result. Positive(+): two red strip occurs, one in the test area(T), one in the quality control area(C). T line is thicker than C line, or line cet are all thick. Negative(-): One or two red strip occurs, one in the test area(t), the other is in the quality control area(C). The T line is slimer than C line, or there is no T line. Invalid: There no line in the quality control area(C), that means mistakes in operation process or test strip has been damaged. Specification: Material: Paper. Color: Show as picture. Size: 8cm. Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. This kit is for external use only. Don't swallow. Please discard after use. The test paper cannot be reused. Do not use the test kit after the expiration date. If the bag has holes or poor sealing, do not use the kit. Keep out of reach of children. Read the instructions carefully before testing, and return the test paper and urine sample to room temperature before use. Package included: Type 1: 20x Ovulation test strips. Type 2: 50x Ovulation test strips.