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Horticulture Lighting Group 260W XL QB V2 Rspec LED Kit


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  • Ships out in 1-3 business days
  • Price match guarantee
  • Discreet package
  • Tracking number
  • 3 years warranty
  • Spectrum: RSpec

    • RSpec
    Out of stock

    Vendor: Horticulture Lighting GroupAvailability : In StockIn StockOut of stock

    The kit has all you need for high performance!

    This 260 Watt Lamp Kit is equipped with high-efficiency QB288 V2 R spec and the updated XLG driver allows full range dimming with an included potentiometer. This is one of the most efficient led grow light kit and you can use this as the main light and also supplement lighting!


    Key Specs

    • Dimmable between 135-285 Watts
    • Equivalent to 1000 Watt HID grow light
    • Ideal for full cycle grows or flowering
    • Veg Footprint: 4'x4'
    • Recommended Flower Footprint: 2'x4' 
    • 3 ft long heatsink for a wider spread
    • No soldering is required
    • Dimensions: 35" x 8" x 3"
    • 1 year warranty


    Included items

    • 2x QB288 V2 Rspec Boards
    • 1x Slate 2 Triple Pre-drilled 891mm Heatsink
    • Meanwell XLG-240H LED Driver. Boards should be wired in series with the driver for maximum output
    • 6ft NEMA 5-15P 16/3 SJTW NA Power Cord or equivalent for standard 120VAC with cable connector
    • 2ft solid core Wire, 2x Wago Connectors for DC wiring
    • Hanger Clips


      Efficiency information

      • QB-288 V2 Rspec - Board Level Efficacy: 2.73 µmol/J
      • QB-288 V2 Rspec - Lamp Efficacy: 2.63 µmol/J

      Build information

      • Assembly manual
      • No Thermal Interface Material is required between the LED board and the heatsink
      • Remove black plug on driver and use Philips head screw driver for dimming
      • Boards should be wired in series with the driver for maximum output

      Horticulture Lighting Group 260W XL QB V2 Rspec LED Kit

      Horticulture Lighting Group 260W XL QB V2 Rspec LED Kit


      We truly care about your satisfaction. 


      Our Promises

      100% Genuine & brand-new products

      Top Grow Light is an authorized website that is approved by the brands we carry. Rest assured you will get genuine, non-refurbished products with your purchases. 


      Our Promises

      Guaranteed Lowest Price

      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 than us within 30 days 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 30 days of your purchase date will refund the difference as well.

      To request your partial refund, simply reach out to us with a link to the same product on our website, or on the other website within 30 days 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 other website
      • The other website 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 other store must be an Authorized Retailer of the product(s) in question
      • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax


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      Secure Payments

      We are very serious about securing our customers' payments and proud to tell you that our website uses 3D Secure Checkout. 

      3D Secure is an additional security layer for online credit and debit card transactions. It adds an authentication step for online payments by redirecting our customers to the card issuer’s domain, then back to our store to complete payment. 

      Also, we follow PCI DSS (Payment Card Industry Data Security Standard) and that means we are compliant with the security standard about card information. 


      Our Promises

      Customer Satisfaction 

      In order to make sure we provide the best support, we have 3 open channels for our customers: Live chat, phone and contact form. 

      We know every customers have a different preference of communication so we completely respect that and we try our best to accommodate our customers. 

      Whenever you have questions or concerns, reach out to us anytime because we will be happy to assist you anytime. 


      Our Promises 

      Discreet Free Shipping 

      We offer FREE shipping in the lower 48 states (applies to AK and HI sometimes) via established couriers like FedEx, UPS, etc. 

      If you would like the Expedited shipping, reach out to us before your purchase.

      After you place an order, please allow us a few business days to process your order and ship out your product(s). When the product(s) are shipped out, you will receive a tracking number via email. And allow 2 to 7 business days for the product(s) to reach you if shipped to a U.S. address. Please note that shipping time varies by brands and the shipping could take longer. Also, due to COVID-19, shipments may take longer than estimated time. We highly recommend you to use a street/residential address, instead of PO boxes. Delivery to PO boxes may not be available. 


      Our Promises

      Full Manufacturer Warranty

      See here for our Warranty page. 


        We appreciate you for shopping with us and if you have questions or concerns, reach out to us. We are more than happy to assist you. 


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        Horticulture Lighting Group 260W XL QB V2 Rspec LED Kit