100% brand new Product: Ovulation test Strip Size: Approx. 5cm Ovulation test use methods: 1. Use clean, dry container to collect urine, do not use the morning urine, the best time urine collection is 10 a.m. to 8 p.m. Using urine samples every day at the same time as far as possible. two hours before collecting urine should reduce water consumption. 2. The arrow mark line immersed in urine, take out flat after about three seconds , observation the results in 10-20 minutes. The results will be subject to 30 minutes to read. 3. The depth of test paper insert urine can not exceed MAX marker line. Positive: If 2 color bands are visible, and the test band is equal to or darker than the control band, one will ovulate in the next 24-48 hours probably. If trying to get pregnant, the best time to have intercourse is after 24 but before 48 hours. Negative: Only 1 color band appears on the control region, or the test band appears but is lighter than the control band. This means there is no LH surge. Invalid: No visible band at all, or there is a visible band only in the test region and not in the control region. Repeat use a new test kit please. Package Included: 20/40/60/80/100 pcsTest Paper Have a nice day