Clearblue Digital Detection Ovulation Test, Kit of Test 10The Clearblue Digital Ovulation Test sets a personalised threshold level for each woman, by measuring their change in LH level from their baseline. Over 99% accurate in detecting the LH surge in urine and the only digital ovulation test with a smiley face. OVULATION HORMONE: The Clearblue Digital Ovulation Test detects the rise of the ovulation hormone LH (luteinizing hormone) 24-36 hours before ovulation and identifies the 2 best days to conceive in a given cycle. DIGITAL DISPLAY: It's more accurate than calendar and temperature methods and gives you unmistakably clear results on a digital display. Uses innovation based on established technology provides clear digital results for greater accuracy.SURGE LINE: Clearblue Digital Holder detects that the test was completed successfully and that the Surge Line intensity is over a certain threshold, the display will show a "Surge" result. EASY TO USE: Reassurance that the test is working. Unique flashing test stick symbol shows you the test is working. Get clear digital results in just 3 minutes. It is known that many women have small levels of LH present in their urine throughout their cycles. REUSABLE READER: Reusable reader works for more than one LH surge. Over 99% accurate at detecting the LH surge. Smart enough to adapt to your cycle. This indicates that conception is most likely if intercourse occurs during the next 1–2 days.Safety Warning: Please read the enclosed leaflet before use. For self-testing at home. For in vitro diagnostic use only. Do not reuse. Keep out of reach of children. Store between 2°- 30°C.