Product name: CORETM one step Hepatitis B surface antigen (HBsAg) test strip Place of origin: China Manufacturer: Beijing Core Technology Co., Ltd CORETM One step HBsAg test is a rapid direct binding test for the visual detection of hepatitis B surface antigen (HBsAg) in serum or whole blood as an aid in the diagnosis of hepatitis B infection. Features: 1) HBsAg B11-11: a) Type: strip b) Specimen: serum/whole blood c) Package: 1pc x 50/kit d) Specification: 3.0mm e) Sensitivity: 2ng/ml f) Specificity: >99% 2) HBsAg B11-20: a) Type: cassette b) Specimen: serum/whole blood c) Package: 1pc x 20/kit d) Specification: 4.0mm e) Sensitivity: 2ng/ml f) Specificity: >99%