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Grow Strong Industries GSI-1 Controller

QC Part #
MFR # GSI1 Controller
Usually Ships In 3-5 Business Days

Connect with over 500 X2 Grow Lights with a Grow Strong Industries GSI-1 Controller. This digital lighting controller will work with lights across two zones using standard telephone cables.


  • Compact unit can control lights as far as 1,000' away with no start-up surge
  • Can simulate sunrise & sunset, gradually waking up your plants
  • Brown-out/black-out detection & timing for optimal light restart, a built-in clock & 30-year rated battery backup
  • Knows when temperatures in your indoor garden are too high & can automatically respond by dimming your lamps to mitigate environmental stress & plant damage
  • Output power can be fine-tuned to 750W in 10% increments
  • Please note, this controller is not required to run the X², QC Part #365167



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