Anti-HER2, AlpHcAbs Human antibody is designed for detecting human HER2 specifically. Anti-HER2, AlpHcAbs Human antibody is recombinant VHH domain of alpaca IgG2b/2c fused to Human IgG1 Fc. Based on ELISA, Anti-HER2, AlpHcAbs Human antibody reacts with human HER2, and has reactivity with cynomolgus HER2.