What is ultrasonic sound?
Ultrasonic sound refers to any sound frequency above the range of normal human hearing. Although it is nonharmful, dogs can hear this sound and find it irritating. This makes it a good deterrent for bad behavior such as nuisance barking. When used properly, ultrasonic sound can be a powerful training device!
What will ultrasonic sound go through?
Think of it like the wind – if the wind can go through it, so can ultrasonic sound. This applies to items such as:
What won't ultrasonic sound go through?
Ultrasonic sound waves do not penetrate solid objects well. These include items such as: