In my experience they work well. We had problems with a farm cat "visiting" and terrorising the feline occupants - a coded entry flap solved the problem. In the previous house I had one that allowed controlled exit and entry, but that was less reliable.
I was going to mention that...!
Some sensors are like that, but not all. Others use a PIR which is designed to ignore small, moving heat sources, while still picking up larger ones.
Ours also combines this with microwave sensing - which I assume is also size dependent - and only triggers when both PIR and microwave sensors are triggered.
SteveW
We found that our cats didn't like the noise of the motor releasing the latch, but that they got used to it.
SteveW
I knew someone who built their dog an outside access tunnel right beside the downstairs loo toilet pan, as elsewhere his garden was much lower than the height of his ground floor.
Having a visit by the dog while sat in there was, erm, fun? :-)
Strange that a gambling company has taken over the website and deliberately put gambling content on that old location. They must have done it very specifically to pick up attempted hits on the old website. I'm somewhat surprised it was worth the effort, or that the teckies going there are likely to be worth much gambling custom.
If you find they work OK (ignoring pets and noticing people) it would be useful to know the make/model
I ran one beam diagonally across two rooms that were linked by a sliding door that is rarely closed. That beam was across the rear patio windows which were thought to be a likely way in for a crim. The other beam was in the hallway, and it was impossible to get into or out of any room or onto the stairs without crossing it. The two beams were put on their own zones. As far as I know this system is still in use.
Bill
I've just tried it and it works although it is incomplete and the avi content just produces 9 seconds of black!
No sign of any gambling so perhaps it was a temporary blip?
that or they lost the video in a bet
NT
and on anything else they feel the need to climb on. On the backs of sofas mine sometimes sleeps on my scanner next to the compu ter.
You can some provide an extention tunnul made of plastic to go through the wall.
Yes mine has one and in the past I needed to get my cat chipped and brought the catflap.
After I did this video which I did for amusment and to see what did happen the porteport people saw it on-line and asked if they could use it in an ad . And the Animal planet channel in the USA also used a few seconds of it, and I got a new catflap (later version than the one I had, and a £100 ch eque) So unusually I did actually get paid :-)
I don't believe in pet proof PIRs as pets pretty much have the same PIR pro file as humans and have yet to see any evidence to prove they PIR is differ nt enough for a PIR to detect other than using height or amoiunt of 'light' detected.
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