ISH 4R Horticultural Lighting kit Powered by Invisible Sun R strip and Samsung LM301H

Invisible Sun LED UK


ISH 4R Horticultural Lighting kit Powered by Invisible Sun R strip and Samsung LM301H is backordered and will ship as soon as it is back in stock.

Benefits and Features 

  • Perfectly even distribution of PAR
  • One of the most efficient ways of growing 
  • Dimmable
  • Perfect for scrogging
  • Shipped fully assembled
  • Replaces 500w HPS
  • Emerson effect with 660nm and 730nm

The ISH 4R is a full cycle grow light kit which consists of 4 of our Invisible Sun R Strips with deep and far red mounted onto our custom Orange Invisible Sun heatsinks and "S Frame"

Measuring 560mm x 560mm this system gives improved canopy coverage and enables the light to be hung closer to your canopy for better canopy penetration. The R Strips are mounted onto custom heatsinks to provide best performance. 


The ISH 4R DIY kit includes

  • 4 Invisible Sun R Strips powered by Samsung LM301H
  • 4 Customer Orange Heatsinks
  • S Frame and Fixtures 
  • Meanwell 240 Driver
  • Hanging Kit
  • Power Cable
  • Inline Connector
  • Wiring and Wagos Connectors


560mm x 560mm x 20mm

Flowering 5 square feet (70cm x 70cm)
Vegging 9 Square feet (90cm x 90cm)

Hanging Height
Vegging 32+ Inches
Flowering 21-24 Inches

Lamp Efficacy
2.61 umols/J

Power Consumption


Invisible Sun LED products are manufactured to the following international standards





Our Invisible Sun branded products come with a 2 year guarantee and 3 year warranty on our boards.  The LED's have a life span of 50000+ hours. This gives you piece of mind that you wont have to spend on any on going costs like bulb replacement for up to and past 5 years.  

The driver supplied as standard for the ISH240 DIY is the Meanwell HLG 240 C2100A 3Y you can find the Meanwell Data Sheet on this link. 

Disclaimer : Invisible Sun LED UK limited produce lighting products for the horticultural industry, these are intended for the commercial horticultural industry and home hobby horticulturalists,  we are not responsible for our customers use of the lights once purchased