Ultrasound consists of high-frequency sound waves which
are perceived by fleas and ticks, but inaudible to humans.
The ultrasound wave are projected in all directions from the
FLEA | TICK
REPELLER FOR PETS, thus protecting your pet.
Human
Bat
Mosquito
Butterfly
Fly
Cockroach
Cricket
Dog
Grasshopper
Rodent
Dolphin
Mole
Others
0.02
0.1
0.2
0.3
1
2
5
10
20
50
100
200
Khz
Audible Ultrasound
Table of
frequencies
within the
human hearing
range between
20 Hz y 20 Khz,
compared with
the approximate
hearing range
of different
animals and
insects.
Summary of Contents for R-132
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