Super Electronics Night and Light Alarms Micro Services
This Kit has experiments on Alarms.  To do the experiments you need to have purchased the starter pack first.

Night light : Two LEDs light up as the lights go out.
Light Alarm:The alarm will sound when light hits the resistor.  The perfect       night alarm, cupboard trick or wake up alarm.
Continuity tester:Perfect for checking open circuits, bulbs,bad connections.

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£4.75

 

 

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