One Step LH Ovulation Urine Test is qualitative immunoassay for detecting levels of Latinizing Hormone in urine. It is a qualitative test that can predict when there is a LH surge, and in turn, when you are likely to ovulate.feature:safe , rapid, easy to use, competitive price1) LH (ovulation test ) A20-11, 12: a) Type: strip b) Specimen: urine c) Package: 1pc x 100/kit d) Specification:3.0mm, 4.0mme) Sensitivity: 25mIU/ml f) Specificity: >99.5% 2) LH (ovulation test) A20-20: a) Type: cassette b) Specimen: urine c) Package: 1pc x 20/kit d) Specification: 4mm e) Sensitivity: 25mIU/ml f) Specificity: >99.5% 3) LH (ovulation test) A20-30: a) Type: midstream b) Specimen: urine c) Package: 1pc x 20/kit d) Specification: 5.0mm e) Sensitivity: 25mIU/ml f) Specificity: >99.5%