What types of pests will PestContro deter? Why should I get a unit that has both ultrasonic and electromagnetic protection?

Rats, mice, roaches, ants, squirrels, spiders, flies, ticks, fleas, crickets, lizards, bats, waterbugs, mosquitoes, wasps, bees, and most other rodent pests. The electromagnetic function of PestContro is designed to drive out pests nesting in the walls; the ultrasound features are designed to affect flying pests within the home's living area. More.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.