They have all done poorly in long term testing. I am surprised they are still for sale. many found out the hard way. Sorry, but I would n't recommend getting any of these types of pest repellants.
No.
Ultrasonic pets repellents don't even affect pests, let alone household pets. The sound waves get blocked by things like furniture, floors, ceilings and walls, which makes them near useless. I would get my money back for it and call an exterminator.
There are several websites that offer information on ultrasonic pest repellent. These websites include Wikipedia, Bug Info, FTC, Victor Pest, and Water Reeves.
What kind of device? If it's ultrasonic, not in the long run.
They have been proven to be ineffective long term-even for hamsters.
There's several pest control methods for squirrels. Poisons and traps can be used. There are also more humane methods like ultrasonic sound and strobe lights.
Some of the more effective pest repellants include: Off Deep Woods Sportsmen, Cutter Backwoods, Off FamilyCare and Natrapel. The Off Deep Woods Sportsmen brand has a 30% concentration of DEET.
They don't work. i would advise against.
It's doubtful anyone is going to invest much more in them. they just don't work.
Normally any mosquito repellent drives away mosquitoes out of homes or enclosed spaces. However there are some repellents which are capable of killing with overdose. Repellents are not instant killers like sprays. But in any proper pest control, mosquito are killed completely.
There are two main types of pest control jobs. Commercial and government. Commercial pest control agencies offer the service to come out and get rid of pests for a fee to a customer's house. Government pest control entails a lot of jobs such as spraying up and down streets in special trucks that dispense mosquito repellents and such.
Causes irritation. Uses sound waves to create a hostile environment, but any results will only be short term.