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Excellent product and does what it says on the tin. I was actually replacing the same product, which lasted 7 years, so switching it out was a 5 minute job.

Easy to install in existing circular hole in a glass door without the adaptor, though some of the black sealing tape for the double glazing does show (see photo, highlighted it in red), so if you are bothered by aesthetics, use the adaptor. It has two locking mechanisms which makes it more secure than most other designs which have just one mechanism on one side. there is also nothing for cats to grab on to in order to pull the flap open. Some people have mentioned a cold draught round the door of the flap, yes, it is there but makes no difference to the inside temperature as the air leak is so small. It makes a loud click, which is off-putting to one of our cats but it hasn't stopped her from using the pet door. It feels solid and has been worth fitting, the only cat ingress to the house has been when one of ours comes in slowly and leaves the flap partially open. Adding some weight to the door has largely solved that.

I bought this brand as it was the only one that would fit the existing hole in my double glazed door (with the adaptor) and the flap big enough for my 6kg cat. Programming was easy (using some ham!) and it picked up the chip really quickly. Had to use silicon to seal the outside as the existing hold was too small to use all the screws. Pros- it has kept out the pesky neighbouring cat and my cat got used to the new setup after a few days Cons- the click is really loud and I can hear it in bed, and there is a cold draught coming in through the bottom of the flap. Might have to see how I can stop that. Overall I'm pretty happy and my cat seems happy too

As per the title, now had this in use for 5 months with my kitten going in and out at least a dozen times a day, double that when she was younger. INSTALLATION: Surprisingly easy. It comes with a "template" that you stick to the door with guidelines for where to cut the hole. This kept falling off or snagging on the saw. I found it easier to simply draw a line around the inside of the part that goes on the exterior side of the door and followed that. Instructions stated to measure the height of your cat and place the flap accordingly. I didn't. As long as they can reach it, you'll be fine. My door has panels - several inches above the "ideal" height for my, then, smaller kitten. She wasn't bothered. Now, she is almost full sized and it's still a little higher than advised but, given she can jump well over a metre up from the floor if she wants to, a few CMs won't matter. Once cut, the hole was an excellent fit. Very snug. Needed a bit of *gentle* force to coax it into place. This is what you want to minimise wind and potentially water getting through if your door is exposed to rain. A jig-saw is strongly recommended if your door is wooden. Mine is some sort of cheap hardened foam coated with plastic, which is easier and, having no jig-saw, I managed fine with the saw on my Swiss Army Knife. Next, add the exterior plate and screw into place. Don't try to over-tighten the screws as you'll crack the plastic. TEACHING AN UNTRAINED CAT TO USE IT Method - this may take longer depending on your cat and your patience. Day 1: I used a peg to hold the clear plastic door flap open. I tossed a treat through the open cat flap, and kitty gingerly went through. Repeated that several times after which she went back and forth of her own accord. Obviously any Tom (Dick or Harriet) can come in at this time so, if that's an issue, you'll need to police that yourself. Day 2: Released the flap but set to open both ways without requiring the chip to activate the door. This way the kitten got used to pushing the flap to get through. Day 3: This is the harder part. Set the flap so that the chip must be read before it will allow entry from outside. There is a delay then a click before the catch releases. So, the cat needed to learn to stick her head into the "tunnel" then wait for the click before then pushing the flap open. This took a few goes to master. She wasn't bothered by the noise of the release click even when still an otherwise skittish kitten - in fact, I think it helped in the training process. Side Note: you are advised to "register" your cat's chip on the device BEFORE you install it by holding their head in it for several seconds. My confused kitten was having none of that and kept wriggling away with a miffed meow. However, it registered when she hesitantly inched through on her first try. USAGE: My kitten - 6 months old at the time of installation - was going in and out every few minutes, all day long. She wanted to explore the exciting world outside but would get startled by a leaf, her own shadow or whatever and race back in for a fussing before venturing out again. She now stays out longer, but still come back in for a reassuring nuzzle up to a dozen times a day. The click of the flap release is audible from my lounge (two rooms away) with both room doors open. Personally, I am happy with this level of noise. I like that I can hear when she is coming in or going out. Unless you are adjudicating exams or something in the room in which it's installed, it is never so loud as to make me wish it were quieter. Battery life: I installed with Duracell batteries which, despite the frequency of use over 5 months, have yet to need replacing. Other cats: Two other cats, both male, regularly come into my garden and will often hang out with mine - often just sitting close by as if secretly communicating by telepathy. Given the chance, both would happily help themselves to her food--inside, near the cat flap--without objection from my accommodating kitten, but the flap blocks entry for them as intended, so her food is safe. OVERALL VERDICT: Prior to this I had to leave a window open for kitten to go in and out. Not advised in winter so this was a necessity. Now, though warmer, I am still very happy I have this so I'm not unwittingly feeding her friends as well as her. I wouldn't now want to be without it. A full five stars.

Please avoid this item. I bought this in June and by August it has already stopped working. Meaning my Cats cannot get back into the house. I bought this cat flap because I had the same one for years and the only reason the old one needed replacing was because the clips that go up and down had snapped off. However, with this one I've barely had it 2 months and the sensor has stopped working. Meaning my cats (who are used to the noise of the cat flap) are pushing themselves uselessly against the flap which will not open. I don't normally write negative reviews but because this puts the safety of cats at risk I knew I had to. Having seen the other reviews I don't know if we all got a faulty batch or if these are knock-offs. The only reason I got it from here is because my usual place of purchase was out of stock. Please do not buy!

I've used the Petsafe catflap for over 5 years. I moved house and put a new one in last November (4 months ago). They are very reliable and can be installed by any competant handyman but you do have to cut the large holes to fit it. Once fitted you have to then program the flap to allow access to just the chip that is in your cat. That can be tricky because you have to put it in program mode and then get your cat to go through it. Definitely do this BEFORE fitting the catflap because cats don't like being forced to go through! It uses 4 AA batteries and they last me about 5 months but I have 2 cats, maybe they last longer if you only have 1 cat. At £48 I think its a bargain and would definitely recommend it.

The cat flap was easy enough to install and worked fine for a little while. After a month or so, having successful uses, we eventually found that the cat flap now on occasion gets stuck after our cats come in from the outside. This has lead to other cats getting in (which was the main reason we got the cat flap in the first place). On top of this, the product now has about 35% chance of not working at all and we have found our cats sitting outside the door waiting to be let in. This has been incredibly frustrating when we have been away all day at work. The cat flap itself has an audible click when the microchips are recognised which can be scary for nervous cats. It would have been good if the click was quieter or completely silent. On a positive note, the cat flap is a nice size and the instructions to fit it in the door, are easy to follow.

We fitted this in the smaller pane of glass at the front of our house. I removed the trim and the double glazing panel. I then purchased some clear acrylic sheet (15mm thick) cut to size (leave a few mm shy for expansion) this was siliconed in and then the trim placed back over. This left it easier to cut with a jigsaw rather than trying to cut glass/ pay a glazier ££££s. The holes were pre drilled on a slow rpm on the drill so the acrylic doesn’t break. If we leave / sell this house we can remove the flap and pane of glass and replace it easily. Where it’s positioned beside the curtain also means there’s no draft- not that we could feel one because it’s in a sheltered enough area outside. Our youngest cat (8 months) got used to this straight away. The 9 year old took a while to get used to the loud click when it recognises the chip and unlocks. He’s now using it no problem (approx 3 weeks) Our 12 year old cat still hasn’t got used to it (2 months now) but that’s just her temperament. Excuse the dirt of the flap in the photos- it gets used quite a bit! I would recommend this as we didn’t quite realise how much our cats wanted in and out of the house, it’s easy to fit (using method above) It’s a fair price as it’s well made. The unlock click does startle the cat. You’ll have to force them through it a few times then slowly hold them in position near it and they’ll get used to it themselves. Also make sure to test it on your cat to make sure it works ok before fitting!