How about Spider farmer SF 4000 LED grow lights review

Spider farmer-SF-4000-LED-Grow-Light

SPIDER-FARMER-SF-4000-LED-Grow-Light-5x5-Coverage
SPIDER-FARMER-SF-4000-LED-Grow-Light-5×5-Coverage

Spider Farmer products are highly rated on Amazon, with an average of 4.5/5 stars in the ad comments. They also provide 3 years of local maintenance (US/Canada/UK/Germany) to ensure your maintenance

Spider farmer SF 4000 parameter

Model: SF4000 LED Grow Light
Light size: 25.51 “x21.12” x2.32 “(2.13×1.76×0.19 feet)
Maximum performance: 2.5g / watt
Vegetable coverage: 6 x 6 feet
Flower range: 5 x 5 feet
DB: 0dB
Humidity ≤ 90%
Lifespan: ≥100,000 hours
Input voltage: AC100-277V
Lumens: 79296Lm ± 5% @ AC120V, 79905Lm ± 5% @ AC240V, 79395Lm ± 5% @ AC277V
Amplifier: 3.787A @ AC120V, 1.864A @ AC240V, 1.641A @ AC277V
Power Consumption: 456.9W ± 5% @ AC120V, 438.2W ± 5% @ AC240V, 439.8W ± 5% @ AC277V

Spider farmer SF 4000 Official description

Low operating cost and high power: SPIDER FARMER LED plant growth lamp adopts the latest high-performance LED technology: Samsung LM301B diode, high energy efficiency of 2.7 umol / J, provides strong light power and uniform penetration of the canopy, achieving the highest maximum performance. It consumes only 450w and has 50% less operating power than HPS or other SMD LEDs or Blurple lamps. Vegetable coverage is 6 x 6 feet and bloom coverage is 5 x 5 feet.
New Diode Placement and Dimming Design – Improved SF4000 adds light. The location of the diodes gathered at the edges makes the PPFD more uniform and the dimmer knob gives you the freedom to adjust the intensity of the light. Useful for connecting multiple lights, unified dimming, especially in large indoor areas and commercial plantations.

Suitable for all growth stages: Excellent full spectrum: white, blue, red and IR (3000K, 5000K, 660nm and IR 760nm). The 3000K diode provides more red light and the 5000K provides more blue light. 660nm red and infrared light is especially helpful during flowering, which can reduce flowering time and increase yield. Make your seeds your own supply. In addition, the light appears so natural that it helps to precisely control the health of the plant.
Sturdy and well-made construction – no fans or noise. MEAN WELL high performance safety conductor, generally waterproof. The updated aluminum plate is thick and sturdy, doesn’t dissipate a lot of heat, has a high-quality cable protection jacket, and is an easy-to-use packaging. High-quality components mean your lights will last longer, but they can also save you money.

Buyer evaluation

RWG111:

If you are looking for a good quantum board at a fair price, the SF4000 is more than just a bill. This light is impressive right out of the box. It is very well packaged and has everything you need to qualify for work. Made in red and blue for bloom, the bright, full-spectrum white light is not blurry. Great light for indoor gardeners. I am very pleased with this light and will be chasing the SF2000 in the near future.

SPIDER FARMER SF-4000 LED Grow Light  Buyer instance
Buyer instance

Jay Puckett:

This is my second sci-fi-4000, I am playing around with plant genetics a bit, these lights are just like the seller said! It is so well done that it completely covers the 5×5 area as mentioned above. Excellent heat dispersion.

My plant loves this light, the harvest is bigger. If you have controlled growth and want to get it right, these are the lights for you!

If you have any questions about why this light works and how it works, please feel free to contact me. The question appears to have an incorrect answer due to lack of research.

This is an image of a plant in the third week of flowering. I edited the gene myself. These lights are the key to growth

spider farmer-SF-4000-LED grow lights Buyer instance
Buyer instance
 

Tyson Amy:

Absolutely great product. Quality Meanwell drivers coupled with Samsung diodes. Can move the drivers out of the tent if you wanted to to reduce heat. Quality buildand construction is great, is obvious as soon as you open the packaging. The best light for this price point, after all my research I’m really glad I chose this over a more expensive light. I thought I was only buying what I could afford, but I was actually buying something that out performed more expensive lights, as I’ve personally seen the difference between mine and a friend that spent double the money, with mine out performing it. This is my own personal experience.

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Buyer instance
 

Spider farmer-LED-Grow-Light-Pros

  • 1.It is made of quality components
  • 2.It has quantum boards for superb lighting
  • 3.The diodes are made by Samsung, so they are among the highest quality LEDs found on the market
  • 4.It produces bright and intense light
  • 5.It’s also designed without a fan, which produces less noise and makes it ideal for indoor gardens
  • 6.The SF-1000 and SF-2000 will grow a moderate cannabis yield while the SF-4000 model will grow close to the maximum yield
  • 7.Spider Farmer fixtures use high quality dimmable Meanwell drivers and Samsung LM301B chips
  • 8.Spider Farmer backs their grow lights with a 3-year warranty at local maintenance centers
  • 9.You can adjust the desired light brightness to fit each growing cycle
  • 10.It provides full spectrum and uniform light coverage to the growing space and crops

Spider farmer-LED-Grow-Light-Cons

  • 1.They are not available as DIY kits
  • 2.The LED light can get too hot
  • 3.The light uses different type of Samsung diodes (LM301D) that are less efficient and bright than LM301B diodes
  • 4.With Chinese companies you always have to deal with dishonesty, especially when it comes to the wattage
  • 5.There is no internal fans to dissipate heat
  • 6.It has poor quality control
  • 7.It is not an UL certified grow light
  • 8.It shows misleading wattage figure

Final Say

“Read the summaries of what reviewers think about Spider Farmer below.This is my second SF-4000, I play around a bit with plant genetics, these lights are exactly as the seller has stated! Very well made they do provide perfect coverage for the 5×5 area as stated. Great heat dispersion.
My plants absolutely love this light, harvests are larger. If you are doing a controlled grow and want to do it right, these are the lights for you!
If you have questions as to why or how this light works as it does, feel free to contact me, it seems questions are answered false due to lack of study.
Here is a picture of A plant in week 3 of flower, I have done my own gene edits. These lights are key for any grow.”

full review

“Quite frankly, I am incredibly pleased with the performance of the Spider Farmer grow light. My only concern is that you need to be careful not to look at the light. It is incredibly bright and can temporarily cause visual disturbance. The dimming feature on the light can take care of this if it becomes a problem.”
“This light is as bright as an F, beautifully made, ultra-light, and comes in a very discreet package that is completely safe to protect your accessories. This is plug and play and there is no configuration. When I contacted the company about using a dimmer switch with a light, they contacted me within 30 minutes. Adjustable SIM settings on the back for quick and easy access. This light does give off some heat compared to other lights, but it is expected without a built-in heat sink or fan. That being said, this light is absolutely silent. Put it in a veggie shop on Wednesday, update how it grows, throw it into the flower room and compare it to other LEDs currently using the KIND K51000 light and the KIND veggie bar in my room. You can compare prices with this fixture, which is the third price.”
This is my second sci-fi-4000, I am playing around with plant genetics a bit, these lights are just like the seller said! It is so well done that it completely covers the 5×5 area as mentioned above. Excellent heat dispersion.My plant loves this light, the harvest is bigger. If you have controlled growth and want to get it right, these are the lights for you!If you have any questions about why this light works and how it works, please feel free to contact me. The question appears to have an incorrect answer due to lack of research.This is an image of a plant in the third week of flowering. I edited the gene myself. These lights are the key to growth.
The light does make some heat like all others do. It’s manageable if you have the right fan setup and you know how to keep your grow tent temperatures under control. For the price, this light offers a good bang for the buck with the yield you can get out of it.”
 
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