Destroy fleas instantly as you comb your petsafe and effective for cats and dogsinsulated teeth to ensure it is safe on your pets skinonoff switch for flea detecting and killing functionshortcode tabdescriptioneliminate ticks and fleas from your pet with this completely safe and chemical free electronic comb the built in insulated electronic teeth provide a voltage thats harmless to humans and pets yet fatal to fleas and ticks as the comb passes through your pets fur a flashing led light