Lumii Black Blade LED - 400w Grow Light


Sale price£350.00


The LUMii BLACK Blade 400w LED is a cool-running and efficient plate-format LED alternative to 600 W HID lamps. Full 3500K specturm white light with added 660nm Osram chips - will give your plants what it needs from start to finish!

Its 2-plate, adjustable design allows the fixture to be used to light a 90 cm x 90 cm tent, OR, or a larger tent up to 1.2 m2, and the plates can be set to give the optimum light spread over the growing area.

Unique feature: you can mount a LUMii Black Bar 30w UV/FR LED (separate purchase) between the adjustable plates to provide additional UV and Far-Red light if required! Far reds are proven to give your plants bigger flowers.

Dimmable using integral control and can be scheduled using a plug-in timer. Powered directly by mains electricity via the 2 m power lead supplied. Complete with hanging slings for easy installation.   

  • Full, balanced spectrum, suitable for the whole plant life cycle 
  • Adjustable format for optimum light spread 
  • Simple to install and operate 
  • Compact and lightweight 
  • Very low heat output and excellent dissipation 
  • Spectrum can be extended by adding a LUMii Black Bar 30w UV/FR LED 

Q: Can I use the LUMii BLACK Blade 400w LED for my whole growing cycle? 
A: Yep! 

Q: How is the LUMii BLACK Blade 400w LED adjusted? 
A: The LUMii BLACK Blade 400w LED has two separate LED boards that are mounted on a frame. Simply loosen the clamping thumb nuts and the plates can be slid towards or away from each other to give the required light spread. 

Q: Why should I add a LUMii Black Bar 30w UV/FR LED? 
A: The LUMii BLACK Blade 400w LED works perfectly well on its own and provides full spectrum light for the complete plant life cycle. However, the yield and quality of your crop can be improved by the additional UV and Far-Red light provided by a LUMii Black Bar 30w UV/FR LED.  For those on a bigger budget and are after the best of the best, check out the Dimlux Xtreme NIR LEDs (NIR stands for Near Infra Red, also known as Far Red)

Input Power 

400 W 

Input Voltage 

100 – 277 V AC / 50 – 60 kHz 

Input Current 

4 A @ 100 V, 1.44 A @ 277 V 


2.6 µmol/J @ 220 V AC 


1040 µmol/s 

Light Radiation Angle 


IP Rating 

Overall Dimensions  610 mm - 740 mm (adjustable) x 505 mm x 97 mm (24.0” - 29.1” adj. x 19.9” x 3.8”) 


6.2 kg (13.7 lb) 
Operating Ambient Temperature & Humidity  0° C - 40° C (32° F – 104° F). Max RH 95% 

Storage Temperature & Humidity 

-40° C - 70° C (-40° F – 158° F). Max RH 85% 

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