ISH 4R XL Horticultural lighting kit Powered by Invisible Sun R Strip and Samsung LM301H

Invisible Sun LED UK

£299.95 Regular price £339.95
SKU: ISH4rxllm301h

Benefits and Features 


  • Perfectly even distribution of PAR
  • Ultra efficient 
  • One of the most efficient ways of growing 
  • Dimmable
  • Perfect for scrogging
  • 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 1120mm 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 1120mm x 20mm

Flowering this light will cover 2ft x 4ft

Hanging Height
Vegging 20 inches
Flowering 12-14 inches

Lamp Efficacy
.61 umols/J with V3 LM301H

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