Staff Pick

Spider Farmer

Spider Farmer SF4000 LED Grow Light

New 2020 version with dimmer knob included (Ships within 3 - 5 days)
$619 $559

Bulk/wholesale pricing available for this product:
call us or email us for volume quote.

  • Top Features

    • LOWER RUNNING COSTS & HIGHER-QUALITY YIELDS: SPIDER FARMER LED Grow Lights utilize the latest in high yielding LEDs technology today-Samsung LM301B diodes, high Energy Efficiency with 2.7 umol/J, create the better canopy light penetration. SF4000 only consumes 450w, running 50% less power than the HPS or Blurple lamps, and still was 50% more harvest. Veg footprint is 6 x 6 ft, Flowering footprint is 5 x 5 ft.
    • CUSTOMIZED DIMMING DESIGN: Upgraded SF series growing lights have a dimming knob and light switch. A single light can be adjusted the light intensity at liberty. Multi-light Connection with unified dimming especially beneficial for large area of indoor growing and commercial planting.
    • IDEAL FOR ALL GROWTH STAGES: Excellent full spectrum- white, blue, red and IR (3000K, 5000K, 660nm and IR 760nm). 3000K diodes providing more reddish light and the 5000K providing more blueish. The 660nm red and IR light is especially useful during bloom, where it speeds up flowering time and boost yields. Turn your seeds into your own supply. And the light looks fairly natural, so it's good for accurately monitoring plant health.
    • WELL MADE & SOLID CONSTRUCTION: No Fan Noise Free. High Safety performance MEAN WELL Driver, Fair Waterproofing. Update aluminum board is thick and sturdy, doesn't put out a tremendous amount of heat, high-quality protective covers for cables; User-Friendly Packaging. Quality components mean the light lasts longer, but they also save you money.
    • VALUE FOR THE MONEY: SPIDER FARMER LED Plant Lights are often copied but will never have our quality or commitment, we provides 3 years of after-service of local maintenance center(US/CA/UK/DE). Make sure you purchase authentic Spider Farmer grow lights, really can give you need from a high-quality grow lights – at a price that is affordable. For any questions, feel free to e-mail us and we will help you resolve it. Quality backed by our ironclad!!!

      Specification SF-4000 new version
      Spectrum 660-665nm,3000K,5000K, IR 760nm
      Par Value 1217umol/s
      Coverage Veg:6x6ft      Flower:5x5ft




      Power draw




      Light Size 648*536*59MM
      Package Size 723*610*115MM
      Gross Weight 8.766KG
      DB 0dB
      Input Voltage AC100-277V




      Frequency 50-60HZ

      Warm Tips:

      1. Do NOT touch while in operation.

      2. To prevent eye damage, avoid looking directly at the LEDs.

      3. In summer or other hot environment, please use a cooling fan to keep a suitable temperature for your plants.

      • 1 x SF4000 LED Grow Light

      • 2 x Stainless Steel Hanger Hook

      • 2 x Adjustable Rope Hanger

      • 1 x User Manual for Installation

      • 1 x Power Cord(US, UK, AU, EU plug available on request)

        The light can be returned or replaced within 30 days after delivery, in the precondition of non-artificial damage.

        90 days ALL FREE warranty. Free components, repair and service can be provided within 3 months after delivery.

        • 3 years of free components
        • 3 months - 1 year: Free components, return shipping fees. Buyer pays 1-way shipping fees and repair fees.
        • 1 year - 3 years: Free components. Buyer pays 2-way shipping fees and repair fees.



        Free Continental
        US Delivery over 99$

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        Free, Fast Local Shipping

        All continental US orders over $99 qualify for free shipping.

        Discreet Shipping

        We understand the importance of privacy to many of our customers. All orders placed on Growbuds are shipped in plain boxes without explicit identifying marks.

        Estimated Arrival

        Between 1 and 5 business days, depending on your location.

        Easy Returns

        For up to 90 days, depending on the brand.


        Please refer to our Shipping & Returns policy page for more detailed information.

        All products sold on Growbuds are subject to the respective manufacturer’s warranty policy, which can be found on manufacturers websites or by contacting them. If your product fails in the remainder of our returns period, the manufacturer's warranty policy will prevail. In this case, send us an email at and we will assist you in your warranty claim by helping you coordinate with the original manufacturer.

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        Free Continental
        US Delivery over 99$

        Safe Checkout