My experience with electronic pest repellents is that they do work. I have used them to keep possums and rabbits out of vegetable patches, birds and also kangaroos out of orchards.
They emit a sonic type frequency that the target animal doesn't like, it doesn't cause them any harm or to humans either.
The noise is undetectable to humans.
Be Happy,
Barry
I can't say for sure. But there are various well-established companies vying for the top spot. Here are some that I know:
Riddex - You've seen this on TV. Mostly small repellers for office and home use. Targets lots of pests.
Pest Offense - Quite well-known. Mostly small repellers for office and home use. Targets lots of pests.
Victor - Focuses on outdoor ultrasonic repellers or repellers suitable for large areas. Specializes on mice. I prefer this repeller.
Bird-X - Outdoor ultrasonic repellers too but specializes on birds, raccoons, squirrels, etc.
Black & Decker - Mostly repellers for large rooms. Targets various pests.
While electronic pest repelling devices have shown some ability to move pests. In all of the university studies I have seen the pests get used to the sonic device and adapt over time and are no longer affected by it. My advice is don't waste your money.
No, pest repellers do not work beyond a narrowly defined target area but yes, they do work within their identified range. They nevertheless will be particularly effective in conjunction with row covers and sticky traps.
Electronic rodent repellers should not harm a ferret - it emits a sound that is inaudible to people and non-rodent pets
Electronic repellers are not effective for anything long term.
No, don't buy any of the electronic repellers. Although some provide short term benefits, none has been proven thus far to work long term. Many of the big pest cos. have already tried them & no one is using them.
They don't work. i would advise against.
The Riddex pest repeller produces high-frequency sound waves that are harmless to humans and pets (except rodents), but which are heard by insects and rodents and are supposed to drive them away. This may sound good in theory, but it doesn't work in practice. At best, electronic pest repellers may work for a few hours or days, but they apparently have no long-term effect on pests. Also, many people claim that they can hear a whining and/or buzzing noise made by the repellers. After numerous complaints, the company that produces Riddex agreed with the FTC to not make certain claims as to their product's effectiveness. You can read the agreement on the FTC site: http://www.ftc.gov/opa/2003/07/global.shtm
Some may work short term but how long depends on the pest. They are more effective for mammals than insects, but not for long. That is why pest companies don't use them. If they worked, they would sell them to you-trust me.
No-sorry.
There aren't any. They don't really work and they are all mono-directional with a short diameter / radius.
electronic devices are not effective long term.
Electronic devices are not effective long term.
They hear 125-2k Hz. In comparison- a human hears 64-23,000 Hz, so it shouldn't. Before you buy one though, they have been tested by experts and don't appear to have long term benefits for any pest type(s).