Cat watch Ultrasonic Deterrent

We've had bird murdering cats (at least four different ones) entering our garden and terrorising the numerous garden birds that frequent the feeders. No matter how much water we squirted at the cats or how often we chased them out of the garden, they'd always come back.Having read reviews of this type of device I was hopeful but not convinced of a successful outcome.... but, I thought it could be a neat solution to our problem... so I bought two units (it was either going to be a resounding success or an expensive failure!)I chose a location where I knew the cats hid and waited for the birds and directed the first unit at this point. I also identified one of the favourite ingress points and directed the second unit at it. Within a few hours the most prolific bird killing cat entered the garden and immediately sniffed around the ultrasonic units. It paced around and then sat in it's normal place beneath the bush. Every so often it would get up and walk over to the unit, sniff around then walk back.I'm happy to be wrong, but I got the impression the cat was uncomfortable. After about 10 minutes, the cat walked off. It returned an hour later, sniffed around and left.At the time of writing this, roughly a week as passed since I saw this cat and observed its behaviour. I've not seen it or any other of the frequent cats since. So, I'm on the verge of reporting these ultrasonic cat deterrents a resounding success.However, I don't spend my entire day waiting for cats so there's a chance that I might have missed something. To sate my curiosity, I placed a Bat detector near one of the units and tuned it in on the transmitted ultrasonic frequency. My thinking was that any activation would create an audible (to me) warning and I'd catch a cat skulking around. So far... nothing. No cats. Not one.The documentation that came with this device says it's not a quick fix, but takes time to work. I think I'd agree with that. Cats don't flee for their lives, but are made to feel uncomfortable over a period of time. Hours, minutes, days... different cats will react differently.So make of that what you will. If you have a cat problem, my experience suggests these ultrasonic cat deterrents might actually work.

Bought this to deter a neighbourhood cat from using two adjacent planter boxes as a toilet, much to the detriment of the plants therein, and still to be convinced that the device is effective since cat activity seems to have reduced but not yet ceased altogether. The instructions do say that it may take a while for the cats to learn that the deterrent is here to stay so time will tell. The item is expensive for what it is (although way cheaper from Amazon than from RSPB for example), is made of cheap plastic and is by no means weatherproof, allowing damp in via the battery cover. As I say, time will tell...

Does not work, I found a cat just lying down in front of it next to the flower bed. It was activating because I could hear clicking from the device.Not worth £60.Should of just bought more spiked mats.

These are great, I bought one as an experiment after spray deterrents did nothing and it worked so well I got a second to cover the vast majority of our small garden. The batteries for me last maybe 4-5 months, and I've also bought one of the power leads but haven't got around to using/burying it yet. I would read the manual to get the most out of it. In particular I find I do need to move the devices around every couple of months just to keep the cats on their toes. Otherwise they eventually happen upon a blind spot and over time can return to doing s***es in that spot. Cats still pass through our garden but they don't feel comfortable to stop and go to the toilet any more, which is all I wanted: I don't want to put up an impenetrable wall for them and want to maintain a "wildlife corridor" through the garden, without the stinky, pregnancy-endangering s*** everywhere for our toddler to find and share with us. They are funny creatures that do half-buried s***es on the same spot in what I now refer to as "shrines". Discovering a well hidden shrine after several months of use makes me feel like an intrepid archaelogist, peeling back the layers of civilisation and history that the distinguished felines have left for future generations... I like cats in general, there are simply a ridiculous number where we live and so the poor things have to share overlapping territories and their radars are all off and doing silly unnatural things. I blame the parents: the selfish, irresponsible cat-man down the road who doesn't take care of the half-feral cats he seems to own/leave food for or have them neutered/speyed or whatever :thumbsup: </rant>

Definitely works, although the batteries need replacing quite frequently - we're going to invest in a battery charging station and rechargeable batteries because of this.Has drastically reduced the amount of cat faeces deposited in our garden by the neighbour's cats, who previously treated our garden as the neighbourhood toilet - pretty disgusting and annoying considering we do not own any cats ourselves, yet had to keep clearing up after them! God-knows what they were feeding them too, since what was left was truly revolting.However, thankfully these devices have made our lives much easier! They are expensive compared to similar products from other manufacturers, but we went with these because they are the only ones certified by the RSPB as not being harmful to any other species - we didn't want to harm birds or the resident hedgehog.They do work, but like I said make sure you replace the batteries when they fail, otherwise the cats will just continue being a nuisance. Also, be aware that you may need to wait a week or two before you see improvement, AND remember that they need a direct line of sight in order to be effective - shrubs/trees/structures will block them.