VFD display screen; UV,Magnetic,Infrared; Automatic starting and stopping;Has self-check and error alert; With dust cleaner; VFD display screen; Detection function: UV,Magnetic,Infrared; Automatic starting and stopping; Has self-check and error alert; Have half-note, worn-note , overlap and chain detection; With dust cleaner; Countable currencies: USD,EUR,RUB,YEN,POUND,HKFRANCE,CFAF,RS,etc.VFD ...