P3 P7816 ATTACK WAVE PESTREPELLER(TM) PRODUCES STRONG SOUND PRESSURE IN THE AIR, ATTACKING THE AUDITORY and NERVOUS SYSTEMS OF RODENTS CAUSING THEM TO ABANDON THEIR FOOD SOURCES and SHELTERS; ULTRASONIC SOUNDS CONTINUOUSLY PENETRATE UP TO 5,000 UNOBSTRUCTED SQ FT; UTILIZES AUTOMATIC WAVE VARIATION, MINIMIZING THE CHANCE THAT PESTS BECOME IMMUNE TO THE SOUND; INAUDIBLE and HARMLESS TO HUMANS and COMMON PETS (DO NOT USE IN THE PRESENCE OF GERBILS, HAMSTERS, GUINEA PIGS and OTHER RODENT PETS), THIS UNIT OPERATES TOTALLY CHEMICAL and BATTERY FREE, MAKING IT THE EASIEST WAY TO KEEP BUGS ON THE RUN ATTACK WAVE PESTREPELLER(TM)