Our Product Features Easy, affordable, awesome service Free Premom Ovulation Calculator app help customer double check accuracy and not miss any peak. ---Most reviewed and trusted ovulation predictor kit (OPK) brand ---Best quality control through over 18 years industry experience and a strict quality control process by dedicated quality inspectors ---Reliable and accurate results to avoid missing your LH surge ---Clear and clean lines with quick results in 3-5 minutes ---Detects the LH hormone in urine at the FDA standard level of 25 mIU/mL ---Detects the hCG hormone in urine at the FDA standard level of 25 mIU/mL ---Best of all . . . A “snap” with the app! Snap a picture of your test results with the Premom Ovulation Predictor app to see your ovulation pattern easily.