Produces strong sound pressure in the air attacking the auditory & nervous systems of rodents causing them to abandon their food sources & shelters Ultrasonic sounds continuously penetrate up to 5000 unobstructed sq ft Uses automatic wave variation minimizing chance that pests become immune to sound Inaudible & harmless to humans & common pets (do not use in presence of gerbils hamsters guinea pigs & other rodent pets) Operates totally chemical & battery free
