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01691 770366   |   sales@selectschoolsupplies.co.uk

 
 
 

Light Activated Alarm Kit

£4.20

£4.20

9210


A simple to build alarm kit
which is light activated via a
light dependent resistor.
The kit can be assembled to
either emit a loud low
frequency signal via the
loudspeaker, or to light the LED,
or both. Full circuit diagram/
instructions included. Requires
9V battery (not included)

*PLEASE NOTE WE ONLY SUPPLY CHEMICALS TO EDUCATIONAL ESTABLISHMENTS *

Please contact us if you need more informaton on this product

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