... analyzer w/ 50x polarized lens (A, U or AU types)Function1. Test epidermis and dermis skin, can clearly ... S.: We also have different equipment for the BT-01.1. A-type, to connect TV monitor.2. ... U-type, to connect with PC monitor.3. AU-type, to connect TV and PC monitor both OK ... .And BT-01A or U or AU, original one with one 50x Polarized lens, ... test hair squama). Skin& Hair analyzer BT-01