Got some undesirable guests (to say the least) that just won't leave? Go on the offense against pint-sized house crashers including mice, rats, and roaches with this pest offense electronic pest repeller. Simple to use and safe around family and most pets, the patented system sends electronic pulses through the wiring of the house to drive pests from the home so they can't feed or nest there. Random digital cycling prevents pests from adapting to the pulses, and one repeller unit is effective for one level of an average size home. To use, just plug the unit into any 110 volt outlet and let it go to work. A surge protector safeguards against voltage fluctuations and the indicator light doubles as a handy nightlight. The repeller is also EPA registered, FCC compliant, and UL listed. It is safe for dogs, cats, ferrets, rabbits, birds, fish, snakes, turtles, reptiles, and hermit crabs. It is not recommended in homes with hamsters, gerbils, guinea pigs, minks, chinchillas, tarantulas, and other similar pets.