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Spectrum King SK402 Full Spectrum LED Grow Light

Best Seller By Spectrum King
1 review
List Price: $779.00
Price: 749.00
You Save: $30.00 (4%)
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Estimated Arrival 1/27 - 1/31
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Product Description

All white, highly reflective 460 Watt Patent Pending Full Spectrum LED Grow Light made in the USA. The all around white coating gives better intensity on the outer edge of your canopy.

Can be used for both vegetative and flower growth.

Perfect for plants that are particularly sensitive while only using a fraction of the energy.

The SK402 LED Grow Light Covers 16 Sq ft during flower ( 4×4 ft ), and 36 Sq ft for Veg, larger than any other LED Grow Light.

Safety Certified and IP65 Rated. With water resistant housing the SK402 LED Grow Light is perfect for wet and humid environments.

Guaranteed to lower your overall ambient room temperature.

Comes with Dual Warranty: SK402 is guaranteed to maintain 90% or better light output for 3 YEARS* with regular use plus a 5 YEAR Mechanical warranty on all parts and labor.

Has a mounting loop on top, you can add a special hanging bracket.

You can choose to add a manual dimmer which enables turning the power down to as low as 10% power for more control when needed.


  • Full-spectrum 460 Watt LED light made in the USA
  • Specially designed reflectors to fit any application
  • Rugged IP65 Rated water resistant housing designed for wet and humid environments
  • Extra efficient heatsinks lower overall ambient room temperature
  • Safe for outdoor use
  • Remote Power System Compatible (480VAC)
  • Nine-foot power cord and one large eyehook for hanging included.
  • Same light intensity as a 1000-Watt high pressure sodium bulb
  • Intense light penetrates deep through top layer for optimum coverage
  • Great for supplemental Greenhouse lighting
  • High performance CREE LED chips.


Add Ons

Manual Dimmer

Reduce the power down to as low as 10% power for more control when needed.


    Comes with a dual warranty:

    1) Spectrum King SK402
    LED Grow Light is guaranteed to maintain 90% or better light output for 3 YEARS with regular use

    2) 5 YEAR Mechanical warranty on all parts and labor.

    IP65 Certified

    Spectrum King LED Grow Lights are recognized by the international standard that designates products fit for use in wet and humid conditions. Very few companies that make grow lights qualify for this certification. These lights are designed with IP65 ratings in mind as most indoor gardens and commercial greenhouses have wet and humid environments creating challenges for gardeners. The light's IP65 housing make clean up easy and you can foliar spray your canopies without worrying about damage to the lights internal components.


    Spectrum King 402 Spectrum


    Important Stuff

    Grow Area (veg)

    Up to 6 ft x 6 ft 

    Ideal Height From Canopy (veg) 30" - 42"
    Grow Area (bloom) Up to 4 ft x 4 ft
    Ideal Height From Canopy (bloom) 12" - 18"
    HPS/HID Equivalent 1000W HPS/MH Lamp
    Initial µmol 1950 µmol

    Power Consumption 

    460 Watts
    LED Lifespan > 50,000 hours
    Voltage 110V-277V AC
    Frequency Range 50~60Hz
    Amperage Draw @ 120V – 3.8 A , @240V – 0.91 A
    Recommended Cooling 1500 BTU
    Light Beam Angle 120 or 90 degrees
    Body Lens Glass
    Body Case Material Die Cast Aluminum
    Dimensions (120° Reflector) 13 in W x 13 in H x 11 in D
    Weight (120° Reflector) 25 lbs


    Order Confirmation 

    As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.

    As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.

    If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.

    If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

    Order Shipment

    If your order is stock and we process the charges to your credit card, it will ship within five business days from the date of your order.

    The one exception is our grow cabinets. These are made to order right out of California and can take 2-3 weeks before they ship.

    Just hang tight, they're worth the wait :) 

    We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address your provide when checking out. If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at

    Your privacy is important to us, so we offer discreet shipping on all orders. We ship in plain, unmarked packages via Fedex, UPS, and USPS. For larger shipments such as our grow cabinets we ship via freight and will provide you with a Bill of Landing and tracking information. 


    Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery. If your item(s) do arrived damaged, please send photos to and we will process an insurance claim on your behalf.

    Cancellations & Refunds

    All orders cancelled after 48 hours are subject to a $20 administration fee, whether or not your order has shipped. If your order has shipped, you (the buyer) will also be responsible for actual return shipping charges. Refunds will only be issued to the original credit card that you use when placing your order. 


    If you are unhappy with your order for any reason we can help you with a free return within 30 days of receiving the item. You will need the items original packaging to make a return, so please keep it!

    Just send an email to and we will take care of you. 

    Shopping online is great but it can be hard to know if you’re getting the best deal.

    From the the moment you click "Add to Cart", to the day your order arrives at your door, we want your experience with us to be completely stress-free.

    If you’re worried about finding a better deal online, now you can relax.


    Here's our promise:

    If you find another store online that is offering a better price any time within six months of making your purchase, we will cover the difference. 

    That’s right, we will send the money straight back to your pocket. If you buy one of our products for $100 and find it online for $90 just send an email to info@allgreenhydroponics with a link to the better priced product and we will take care of it from there.

    You’ll get your $10 back right away. 

    We offer this price match guarantee because we want you to be able to shop with confidence and not have to worry about if you’re getting the best deal online. With us, you always are. 

    There are some requirements for us to price match:

    • We will only price match after you’ve placed an order for the product to be matched.
    • This is not valid for products on sale or offered with other promotions.
    • The product will only be price matched against other online retailers that do not have physical store locations.
    • The competitors website must show the price matched product as in stock.
    • Discount and auction sites will not be price matched (i.e. ebay, groupon, overstock).
    • Only Authorized Retailers of the product will be price matched.
    • Price matching is valid for the item price plus shipping costs, sales tax is not included.