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RDJ Bouns LE4200 400W Full-Spectrum LED Grow Light1 / 7
Product guide

RDJ Bouns LE4200 400W Full-Spectrum LED Grow Light

The RDJ Bouns LE4200 is a 400W full-spectrum LED grow light listed for indoor plant growth from seedlings through flowering. Its corded power and square pendant-style form suit a fixed growing area, while the listing's inconsistent control and product details merit checking before purchase.

At a glance

  • The listing describes a full-spectrum fixture intended for seedling, vegetative and flowering stages.
  • A dimming knob and RJ11 daisy-chain ports are listed, though controller details conflict elsewhere in the listing.
  • The claimed no-fan design avoids fan noise, while customer feedback on heat output is mixed.
  • Aluminum construction and a square panel form are specified for a corded indoor setup.
Price
$191.99Save 20%

Reference price: $239.99

Price checked: Nov 14, 2026

View offer

Pros and cons

Pros

  • The stated 400W output and all-growth-stage use claim make it relevant to growers seeking one fixture for several plant stages.
  • A no-fan cooling design is listed, which may suit spaces where fan noise is undesirable.
  • Daisy-chain ports and dimming are listed for growers interested in coordinating lighting or adjusting output.

Cons

  • A 400W corded fixture and its roughly 32-inch square footprint require a suitable fixed indoor installation area.

Technical specifications

30 specifications
Identity
BrandRDJ Bouns
ModelRDJ Bouns LE4200
Product typeLED Grow Light
Lighting
Rated wattage400 watts
Listed brightness114400 lm
Light colorDaylight
Color temperature4000 Kelvin
Listed PPF efficacyHigh PPF efficacy of 2.8 μmol/J
Light sourceLED
Full-spectrum grow claimFull spectrum
Connectivity and controls
Control methods listedApp, Push Button
Dimming feature listedDimming knob (0-100%)
Daisy-chain ports listedRJ11 Daisy Chain ports
Connectable feature listedConnectable
Power and operation
Power configurationCorded Electric
Voltage listed56 volts
Operating voltage stated in product information100-277V
Cooling design listedNo-fan zero-noise design
Dimensions and installation
Mounting types listedPole Mount
Form factorSquare
Dimensions31.7"L x 31.7"W x 2.3"H
Weight listed7.64 kg
Installation type listedCeiling Mount
Fixture form listedPendant
Materials and protection
Material listedAluminum
Water resistance listedWater Resistant
Other listed details
Light adjustmentAdjustable
Bulb replacement typeIntegrated
Included component listedDimmer
Specification claimCE, DLC, ETL, RoHS

What to know before buying

Listing details to confirm

Listing details are contradictory or inconsistent: the model is identified as LE4200 while other fields name TF4200, listed voltage is 56 volts while product information says 100-277V, and app/push-button controls differ from the app, hand-control and mechanical-knob descriptions. Dimming is described both as 0-100% and as preset steps, while the listing also varies between single and three lighting sources. Confirm the exact model, operating voltage, controls and dimming behavior for the selected item. The 400W title and wattage are listing claims, not independent measurements.

What’s in the box

Included
  • Dimmer

Who is it for?

A good fit for

  • Indoor growers seeking a square, corded grow light described for seedlings, vegetative growth and flowering.
  • Buyers who want listed dimming and daisy-chain features and can confirm the controller details before purchase.

Less suited to

  • Growers needing a compact or portable light, or those who cannot provide a fixed installation area and corded power.
  • Buyers who require independently confirmed electrical or dimming specifications without resolving the listing inconsistencies.
RDJ Bouns LE4200 400W Full-Spectrum LED Grow Light · photo 2
Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 23 ratings
  • 5 stars77%77%
  • 4 stars14%14%
  • 3 stars0%0%
  • 2 stars0%0%
  • 1 star9%9%

Customer feedback praises lighting quality and reports good perceived value, while dimming satisfaction and heat output receive mixed comments. Those mixed points matter for a fixture whose listing emphasizes adjustable output and a fanless design. The feedback describes customer perceptions, not verified performance, and the rating evidence is based on a modest number of responses.

Positive themes

  • Customers describe the lighting quality positively.
  • Customers report favorable perceived value.

Mixed feedback

  • Customer feedback on dimming is mixed, with some reporting dissatisfaction.
  • Customer feedback on heat output is mixed, with some describing it as manageable.

Frequently asked questions

What kinds of plant growth is the light listed for?

The listing identifies use for germination, seedlings, vegetative growth and flowering. These are manufacturer claims rather than independently measured results.

Can the light be dimmed?

Dimming is listed, including a 0-100% knob claim, but product information also describes preset steps and differing controller types. Confirm the control method for the selected item.

What power supply does it require?

It is listed as corded electric. One specification says 56 volts, while product information states 100-277V, so verify the applicable operating voltage before installation.

Does it include a dimmer?

The listed included component is a dimmer. The product details do not establish the rest of the package contents.

RDJ Bouns LE4200 400W Full-Spectrum LED Grow Light · photo 3
Additional product photo 3

Alternative options

Offer details

  • The listing states a five-year warranty and a 30-day satisfaction or return guarantee. Its warranty details say shipping costs apply in years four and five. Confirm terms with the selected listing.
Product details in Markdown