Stanbio TRUE-20 hCG Cassette Pregnancy Test 1430-050. Truly easy-to-read, truly economical, and truly accurate. The True 20 pregnancy test combine the benefits of the QuPID technology in an economical format. Fast, flexible, and excellent readability. Fast Positive results may be seen in as little as 10 seconds. Sensitive Detects 20 mIU/mL hCG for urine samples. Greater than 99% accurate. Greater than 99% specific. 50/BX. Priced per box. FREE Shipping!