... 6mm) CE&FDA approved One step HCG Pregnancy Urine test is a self-performing immunoassay designed for the quanlitative determination ... colour box packing.Specifications:1.Strip Format:Lowest cost test format(2.5mm,3.0mm etc)2.Cassttes Format: ... Most commonly used test format(3.0mm,3.5mm,4.0mm)3.Midstream ... ,midstreamSensitivity:25mlU/ml, 101mlU/ml HCG Pregnancy Urine test