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Light sensitive switch

Velleman MK125: Light Sensitive Switch Kit

Velleman MK125

Velleman MK125: Light Sensitive Switch Kit

The Velleman MK125 is a self-assembly minikit that will turn on a light on at night time then turn off the light at dawn. This minikit is fully automaticand is perfect to set up on an outside light at your house. The sensitivity can be adjusted. 

Another cool feature the MK125 comes with is a relay outlet, which gives you the ability to turn external devices on & off.


See our other Velleman minikits to find more neat do-it-yourself projects to enjoy!



  • Sensitivity can be adjusted.
  • Relay output: NO/NC 24V/5A max.
  • Power supply: 12V DC
  • With adapter-connector
  • Dimensions: 2.6 x 2.0"

Additional Information

Difficulty Level 2


Assembly manual

Info Sheets

Overview of Velleman modules that are equal to D.I.Y Kits
This sheet is useful when you want to know which modules you could find in the do-it-yourself range of Velleman Kits and minikits.

 Warning: this product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov/product