FK401 Light Activated Switch
This switch is turned on by detecting light, and off when the light is removed.
Popular with many “Daylight detection” systems which turn things on each morning. Examples include automatic watering , animal feeders, etc.
It can be used with night lights or to initiate burglar alarm if an unauthorised light is detected.
Adjustable sensitivity means it can be used in a wide variety of situations.
Detailed construction guide with step-by-step photos available to teachers upon request.
Price inc GST