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LED Grow Light - Spectrum King SK402 LED Grow Light
LED Grow Light - Spectrum King SK402 LED Grow Light
LED Grow Light - Spectrum King SK402 LED Grow Light
LED Grow Light - Spectrum King SK402 LED Grow Light
LED Grow Light - Spectrum King SK402 LED Grow Light
LED Grow Light - Spectrum King SK402 LED Grow Light

Spectrum King SK402 LED Grow Light

Brand: Spectrum King LED
Item Number: SK402

Regular price $779.00 $749.99 On Sale

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Why Buy From GrowLight Heaven

If you are an indoor grower or gardener looking to enhance your grow and save money at the same time then this is the right light for you. The Spectrum King SK402 LED Grow Light is the perfect solution for indoor growers and gardeners looking to save energy and improve their grow.

Product Features

  • Massive Coverage: The Spectrum King SK402 LED Grow Light covers up to a huge 16 sq ft in flower (4×4 ft) and up to 36 sq ft in veg (6×6 ft).

  • Ideal Spectrum: The optimum White Light Spectrum can be used for both Vegetative AND Flower growth, so you will be able to grow with this light through the full cycle.

  • Safety Certified and IP65 Rated: Rugged waterproof housing for use in wet and humid conditions. You can safely grow with this light in harsh conditions and it is completely safe for outdoor use.

  • Extremely Energy Efficient: The SK402 will save you tons of energy. It draws half the wattage of an 800-watt HPS while delivering similar light intensity.

  • Easy Installation: The SK402 fixture includes a 9 foot power cord and one large eye hook for hanging so you can have your light installed easily, ready to enhance your grow right away.

  • Industry Leading Dual Warranty: Spectrum King will back up your purchase with an industry leading dual warranty on the SK402. This means you have a 3-year 90% light-output guarantee, with an additional 5-year mechanical warranty. They will back up your purchase to ensure that you receive the maximum ROI from your new purchase.




You can reduce the light intensely by 10% with optional dimmer. Choose at the drop-down above the "Add to Cart" button.


Product Specifications

  • LED Wattage: 460 watts (dimmable to 10% with dimmer)
  • HID equivalent: 800 to 1000 watt HID
  • LEDs: High performance Cree LED diodes
  • Beam angle: 120°
  • LED lifespan: Up to 100,000 hours (at L70)
  • PAR efficacy: 1.9 - 2.15 umol/j
  • PPF: 1170.69
  • Lumens: 84,022 - 94,393
  • Spectrum: Full spectrum (near UV to IR). See below chart:
    Coverage Area:
    • Veg: 5.8' x 5.8' (34 sq ft)
    • Flower: 4' x 4' (16 sq ft) 
    Hanging Height: 
    • Veg: 30"-42"
    • Flower: 12"-18"
    • Daisy chain: No
    • Dimensions: 13"W x 13"H x 11"D
    • Product weight: 25 lbs
    • Body Lens: Glass
    • Body Case Material: Die-cast aluminum
    • Voltage: AC 120V~240V (480 VAC Available upon special order)
    • Amp draw: 120V – 5.3 A; 240V – 2.9 A
    • Work frequency: 50~60 Hz
    • Cord length: 9 Feet
    • BTU: 1,534
    • Certifications: IP65-rated
                      Recommended for:
                      • Smaller Grow Sites
                      • Supplemental Greenhouse Lighting
                      • Sensitive Plants
                      Included in your purchase:
                      • Spectrum King SK402 (120˚) LED Grow Light
                      • An 9-foot, 120V or 240V power cord
                      • One large eye hook for hanging
                      Manufacturer's Warranty: Dual Warranty. 3 Year Warranty on Light Intensity and a 5 Year Mechanical Warranty.

                        Free Shipping. Free Returns. All the time.

                        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 back-order 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:
                        Usually, orders ship within If your order is stock and we process the charges to your credit card, it will ship within 1-3 business business days from the date of your order.  Depending on the supplier, it can take up to five business days for the order to ship. We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, please follow up with us at
                        Customer service is everything to us. We want you to be 100% satisfied and that is why we placed an extremely easy returns process in place. Because we represent many different brands, please see below detailed return policy for each brand. For the brands that have return policies in place, we have a no-questions asked return policy based on their policy. 
                        Some brands also charge a re-stocking fee. This is an extra fee that they charge because they need to re-stock the item in their warehouse. If applicable, it is listed below by each manufacturer. GrowLight Heaven guarantees free returns even in these cases, so you have a risk-free purchase with free returns always.
                        Please note that in order to be eligible for a return and refund, the item must be unused and in it's original packaging, with all components present (cords, hangers, etc.)
                        Below are the return policies for each supplier:
                        • Amare Technology: No Returns (unless damaged/defected)
                        • Black Dog LED: 90 Day Returns (One return limit per customer)
                        • California Lightworks: 90 Day Returns
                        • G8LED: 90 Day Returns
                        • GE Lighting: 90 Day Returns
                        • The Green Sunshine Company: 100% refund & free return ship within 30 days, 120 day return policy w/ 15% restock fee
                        • Gorilla Grow Tent: 30 Day Returns
                        • Growers Choice: No returns (unless damaged/defected)
                        • Kind LED: 90 days for K3 and K5 series; 30 days for bar lights. Only 2 Kind LED lights can be returned.
                        • Mars Hydro: No returns (unless damaged/defected)
                        • Matristar: 30 Day Returns with restocking fee
                        • Spectrum King LED: 30 Day Returns
                        • SuperCloset: 30 Day Returns
                        • Toggled: No returns (unless damaged/defected)
                        • TopGrow Lighting: No returns (unless damaged/defected)
                        • TotalGrow: 90 Day Returns
                        • Viparspectra: 30 Day Returns
                        Damaged/Defective/Incorrect Products:
                        If you receive a damaged, defective, or incorrect product(s), we will pay for the return shipping costs as well as pay for getting the product(s) to you. If damaged, please ensure you reject the item(s) and/or let the courier know that the product is damaged at delivery, otherwise a full refund may not be possible. GrowLight Heaven will not pay the return shipping charges for more than one product if it is not damaged/defective/incorrect. These shipping charges will be subject to the respective brand/companies prices and policy. Depending on where you live, the time it takes for your product(s) to reach you, may vary. Allow up to 2-3 weeks in rare cases.
                        In the event that the damged/defective/incorrect item was a gift, then please see below instructions regarding the gift scenario:
                        If the item was marked as a gift when purchased and shipped directly to you, you’ll receive a gift credit for the value of your return. Once the returned item is received, a gift certificate will be mailed to you. If the item wasn’t marked as a gift when purchased, or the gift giver had the order shipped to themselves to give to you later, we will send a refund to the gift giver and he will find out about your return.
                        Cancellations & Refunds:
                        At GrowLight Heaven, we want our customers to be 100% satisfied with their orders. If you are not 100% satisfied with your order, you can AfteAll orders cancelled after 48 hours are subject to a $20 administration fee, whether or not your order has shipped.  If you 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.
                        Each brand that we work with has its own warranty that they stand behind. For your convenience, the length of the warranties for each brand are listed below:
                        • Amare Technology: 5 year warranty
                        • Black Dog LED: 5 year warranty
                        • California Lightworks: SolarXtreme: 1 year warranty. SolarSystem: 5 year warranty
                        • G8LED: 2 year warranty
                        • GE Lighting: 5 year warranty
                        • The Green Sunshine Company: 3 year warranty
                        • Gorilla Grow Tent: 1 year warrany
                        • Growers Choice: 3 year warranty
                        • Kind LED: 3 year warranty
                        • Mars Hydro:3 year warranty
                        • Matristar: 3 year warranty
                        • Spectrum King LED: 3 years on the light engine to retain 90% or better of its original light output and 5 years on all other materials and workmanship.
                        • SuperCloset: 3 year warranty
                        • Toggled: 6 Years/Lifetime- Depending on the product
                        • TopGrow Lighting: 5 year warranty
                        • TotalGrow: 5 year warranty

                        Best Price Guarantee means Best Price Guarantee.

                        At Grow Light Heaven, we work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price then us within six months of your purchase date please let us know and we will refund your original payment for the difference.  We want you to feel confident that you are getting the absolute best price for the product you are ordering.  If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.
                        To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we will process the credit accordingly.
                        Our 100% Price Guarantee has some limitations:
                        • You must purchase the item from our website before requesting your Price Match Guarantee
                        • Promotions such as rebates and buy one, get one free offers are not eligible
                        • The item must be in stock on the competitors website
                        • The competitor must be an online store, they may not have a retail location
                        • The website can not be a discounter or auction website (ie; eBay, overstock, etc..)
                        • The competitor must be an Authorized Retailer of the product in question
                        • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax

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