It might not switch your magnetic switch but it could be used to switch a different switch that is enclosed in a waterproof box from the same range as the magnetic switch if other suggestions fail.
What's a "standard PIR switched light"? Can I use one to switch the drive lights on/off from inside my car ?
Jim Hawkins
I decided against getting bogged down in arguing with harryagain about the extra facilities I am hoping to get - eventually. I am dipping my toe in the ready-made components of remote control. LighwaveRF seems to have quite a lot of potential. Yes - flicking lights on from my car, or anywhere else on the planet I am likely to be, is appealing. The outdoor lights alone do not justify the cost but sometimes you have to start with something small and not so very important.
It's a standard (in the sense that the sheds are full of them) outside light with a PIR sensor built-in to it. These are the way that people's outside lighst (often floodlights) come on when a burglar (rarely) or cat (far too often) wanders too close to them.
You could point the PIR sensor at a place where your nice warm car will suddenly arrive; the PIR sensor will detect the sudden arrival of warmth and turn on the light.
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