Tumor Marker PSA Prostate Specific Antigen Semi-Quantitative Rapid Test Strip Device Rapid Test Diagnostic Kit Accurate Product name: PSA Prostate Specific Antigen Semi-quantitative Rapid Test Kit Specimen: Whole blood/serum/plasma Format: Strip/cassette Specification: 25pcs, 40pcs, or customized MOQ: 10,000 pcs Sensitivity: 4ng/mL, 10ng/mL Application: Specific antigen in prostate, help in diagnosis of early prostatic diseases.