HCG High Sensitivity and accuracy; Format:strip(2.5mm 3mm),cassette(3mm,3.5mm,4mm),midstream(5mm,6mm) CE&FDA approved One step HCG Pregnancy Urine ... test is a self-performing immunoassay designed for the quanlitative determination ... ,25mlU/ml(Urine/Serum)Precision:99.5%Certifiation:CE & FDA HCG Pregnancy Urine test