Frequently Asked Questions
Repellents ◊ How does Ultrasound work? ◊ How does Ultrasound affect rodents? ◊ What are the most common mistakes made with repellents? ◊ Is Ultrasound safe for pets? More Repellent FAQs» Answers to Frequently Asked Questions
Q: How does Ultrasound work?
A: Ultrasound is a frequency of sound too high to be heard by humans. Ultrasound is reflected by hard surfaces and absorbed by soft surfaces. The Victor® PestChaser® sweeps a frequency of 32-62 kHz. Rodents find this sound irritating and will avoid it if possible. The non-repetitive frequency levels cause additional discomfort and do not allow the rodent to become habituated to the sound. 
For additional effectiveness, the loudest spike in sound replicates the sound of a dominant male rodent. Rodents are very territorial and will constantly fight to establish dominance. The sound of a dominant rodent will discourage other from inhabiting a territory. It is important to note that ultrasonic frequencies do not travel between walls. So for the most effective rodent control, ultrasonic units need to be placed in multiple rooms.
Q: How does Ultrasound affect rodents? A: Ultrasound can repel rodents by subjecting them to intense auditorystress. This method is a classic animal behavior modification technique. 
Unlike traps and poisons, ultrasound does not kill rodents. The PestChaser® has the ability to provide long-term reductions in rodent populations by creating a "rodent-unfriendly" environment that discourages rodent infestations.
Q: What are the most common mistakes people made with repellents?
A: Ultrasound Alone to Control Infestation: The most common repellent mistake is using ultrasound units alone to control an established infestation. Simply plugging in a PestChaser® will not send rodents running for the door and out into cold winter temperatures IF there is still sufficient food & shelter in your home or shed. It is important to also incorporate sanitation and exclusion techniques. Additionally, traps and baits should be used in conjunction to Ultrasonic devices. Not Enough Units are Used: Ultrasound does not travel through walls so it is important to place 1 in each room. Poor Placement: Ultrasound is reflected by hard surfaces and absorbed by soft surfaces. Placement behind a couch will not allow waves to bounces around freely and cause a hostile sound environment.
Q: Is Ultrasound safe for pets?
A: The PestChaser® sweeps a frequency of 32-62 kHz, well above the range of hearing for humans and non-rodent pets like cats, dogs, birds, and fish. If you have rodent pets such as a hamster or guinea pig, move them to a room without a PestChaser® unit. More Repellent FAQs» | 
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