Trixie Safer Life Flasher For Dogs And Cats, 3.5 Cm, Blue This Safety Light Flasher for dogs flashes on both sides with up to 300 m wide visible flashing LED. Since the followers of transparent plastic. the flashing from all sides is clearly visible. The Flasher includes 2 batteries   The flasher has a diameter of 3.5 cm   color:.. Blue   Fr little dogs and Cats is the Trixie Flasher for cats + small dogs (Art-Nr. 13441-TRXI).