Motion sensors

23 May 2008
Reaction score
United Kingdom
It is common to have internal motion sensors that wirelessly send a signal to set off an alarm siren when the alarm is set and motion is detected.
Does anyone know of a similar type of remote sensor that can send a signal to a controller which turns on lights instead of setting off an alarm?
Or alternatively, an alarm that can turn on lights instead of a siren.
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There are solutions if you go with a smart home approach, rather than using a dedicated alarm system.
You can get remote sensors that connect to 'Alexa' and in turn, switch on a smart bulb. I.e.
(Or search 'motion sensors for Alexa' in Amazon)
Bosch also make a system:
I hope that helps!

Thanks for your response.

I do not have a smart system and after further research found something which appears to be exactly what I am looking for - and at a sensible price -

Transmitters -

and a receiver to work the external lighting (3 units up to a total of 3.5kw) - -

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