Electronic Mouse Repellant - Ultrasonic/High Pitched Sound-What Should Be Inside Them?

[joko]

I recently bought some of these, but they didnt seem to be having any effect, so I opened one up & all i could see was a small circuit board an LED light, & not much else - there was nothing i could see that was supposedly making the noise - however, i also dont know what something needed to make that noise even looks like.
But i assumed itd need at least some obvious speaker - it just had thick silver foil on the area that was supposedly the speaker bit.

Can anyone tell me - or better still link me to something that will show me what type of electrical bits are needed to make that sound?

Ive sent them back to amazon & i was using numerous various gadgets playing the sounds from Youtube, old phones, tablets etc - and it seems to have worked.

However that needs me to keep replaying them, & i realise i may need to buy something to plug in and leave on,since its a big old house & fairly cluttered so i have no idea where theyre getting in, nor do i have the ability to search as im too poorly & wont be better for quite a long time, if ever.

So I'm wondering if these gadgets may have actually worked & whether to buy more?

There are videos on Youtube of these gadgets being fake, they have been filmed showing mice & rats not remotely bothered by the sound.
But im assuming that there are real ones & fake ones - & i purchased some cheapish ones because i needed to spread them around the house in places i dont go into often so i cant keep resetting a phone to play youtube.

Has anyone here had any success with them?

Thanks :)

[ToraToraTora]

Do you get a lot of electronic mice round your way?

[newmodarmy]

Ours has a button you can press to emit a high sound. I assume that's to test the battery.

I'm very skeptical about it working as it doesn't seem to deter dogs that we look after sometimes, so I wonder if it does emit anything;  but the rest of the family swear by it as we haven't seen a mouse or trace of droppings in well over 10 years since we bought it (before that we did have occasional mice visits and used humane traps). 

I'd be interested to know the experiences of others.

[ducksie]

Hi Joko, I've recently had one in the house ( there's never only 1 so I say an infestation) before I moved into this new build back 14 years ago, my first thing to plug in was one of those sensors to deter mice. In my mind it worked, I have a terrible phobia of them, once I heard and seen 1, 3 weeks ago, I booked into an hotel, my friend called that night and had a new sensor, the little *** just tore at paper beside it, the sensor never bothered it, another friend of mine works in pest control, lucky me, if ya can think that, he has no time for those sendors and to be honest, they were almost climbing over it, so, I paid my pest control friend and he found where they were nesting, got rid of them in the 2 days I stayed in hotel, and he's found and blocked where they were getting in, the pipes into the house, he told me they love the heat, I'd only put the heating on the previous week. I still have the sensor plugged in despite them ( dead ones now) being cheeky enough to jump around it. If they give you peace of mind use them, I do, but I'll be keeping pals with my pest control friend in future. He can sniff them out better than a cat. I must add, the friend that called first and gave me the new sensor, he'd recently bought a grain store and renovated it to house and said he's never had 'lodgers' since. 

[juliecarlstan]

I its not working, then you are using the Ultrasonic mouse repeller correctly. They have never worked. Ever

[ubasses]

I agree that they are next to useless.  As we live backing on to a farm we often get one or two when they cut the field.

We bought some large traps, using peanut butter and had success on first night we put them down.  Sometimes take a couple of nights.

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[fourteen85]

Use the tradditional method, fasten an upturned hacksaw blade in a piece of wood and put in the area they might be, the mouse will come and look and think 'wheres the damn cheese' and cut its head off . Da Da 

[juliecarlstan]

Have you ever considered live traps? they can hold many mice, like when the fields are plowed, and you just relocate the mice open the lid on a box, they go running off :)

[barry1010]

Live traps are fine when you are close to big, open spaces to release them.  Not so good when you live in crammed inner city areas.

You need to release them at least two miles away or the blighters might find their way back.

Also you need to know exactly what you have caught.  It is illegal to release some mice and rats in the UK