The LH Ovulation Test detects the LH surge in urine, signaling that ovulation is likely to occur in the next 24-36 hours 1) Format: strip 2) Specimen: Urine 3) Sensitivity: 25 mIU/ml 4)Packing: 1 test/bag 5) Our products are CE certified products. 25T/box, 1500T/ctn.