This Professional Universal Chip Reader for dogs can read all transponders of type FDX B (ISO standard), type FDX A (Destron, AVID, AEG), HDX (Texas Tiris), Q5 and EM4102. This Chip Reader is the best price/quality. Ideal for Vets, clubs,Judges, Police Forces or simply owners of dogs with microchip. Rechargable battery included.