Clearblue Rapid Detection Pregnancy Test is the only test that has a Color Change Tip that turns pink when urine is being absorbed, giving you extra reassurance that the test is working. It is over 99%** accurate from the day of your expected period and provides easy to read results in a plus (+) or minus (-), giving you clear and confident results. Clearblue Rapid Detection also provides fast results, detecting pregnancy as fast as 1 minute when testing from the day of your missed period. The unique Floodguard Technology helps reduce the #1 reported cause of user error by over 70%*** by keeping excess urine from flooding the test strip. Instructions- Read package insert before use. Simply hold the color change tip downwards in your urine stream for 5 seconds. The tip will quickly turn pink indicating the test is working. Continue to hold the color change tip in your urine stream for the full 5 seconds. After 3 minutes read the result. Store at 36-86 degrees F 2-30 degrees C). Do not freeze.