Roleadro 400W COB Full Spectrum LED Grow Light Review

Light is certainly an important factor when it comes to the life of a plant, and it is an essential element for the growth and survival of a plant. For sure, no plant will survive for a very long time without the intrusion of light. For the survival and flourishing of a particular plant, you’ll need direct sunlight.

What Are Grow Lights?

But what do you do when you don’t have a source of natural sunlight for your plant? Well, worry not because there are artificial lights available now for the growth of plants that don’t need the natural light. The ‘shade’ plants or the low-light plants are the ones that don’t require the natural light and can grow under fluorescent lights.

The artificial glow lights can be a great replacement for the natural lights. There are many different kinds available. So it is important that you get one of the best grow lights for your indoor plants. Don’t worry as we are here to help you with that.


The ROLEADRO 400W COB LED GROW LIGHT is certainly one of  best LED grow light available in the market. And how can we say that? Well, with so many advanced features, what more can be said about this amazing product. Used by many, this product has received more than sufficient positive reviews.

Roleadro HYG08-2X400W-W 800W COB Full Spectrum Grow Light LED Plant Lamp with ON/Off Switch and Daisy Chain Function, 2nd Generation Flowering and Veg
155 Reviews on Amazon
Roleadro HYG08-2X400W-W 800W COB Full Spectrum Grow Light LED Plant Lamp with ON/Off Switch and Daisy Chain Function, 2nd Generation Flowering and Veg
  • Full Spectrum 800W: This grow light has wider spectrum of light (instead of purely red and blue light) provides your plants with everything they need from sunlight in the nature, which brings greener, healthier growth and better-looking buds for your plants. Suits to the whole growth cycle for plant growth.
  • Daisy-chain connection function: two or more 800W COB grow lights can be connected together with the standard included power cord. This makes less power cords and expands the extent of the light coverage. Saving energy, money & time. It will be the best solution for your grow lights indoor.
  • Intimate Customer Service: 2 years warranty and 30 days money back is our promise. We has 10 years of experience and dedication, if you have any problem, just contact us and we'll provide you the best suggestion for your plant growth.


Here are some of the detailed features of the product that make it the best grow light for indoor marijuana.

Patented Chip Onboard System

The Patented COB system is probably one of the best features of the product which make it a top contender when it comes to choosing between LED grow light. This system is responsible for providing efficient lighting for the indoor plants. Now you can grow your marijuana without any trouble with the centralized light provided by this system.

Daisy Chain System

One of the best ways to get the maximum yield from the plants is the new Daisy Chain Technology that is used in this product. This amazing feature gives the equipment a capability to function with efficiency with the combination of multiple lights. This amazing feature is what makes the product an essential need for the growers.

Full Spectrum System

With improved color uniformity and an amazing PAR value, this feature is certainly one of the best ones in the product. The 2nd Generation model of the grow light has the main reasons for the efficient growth, and that is the full spectrum. With a blend of different wavelengths, this system makes a perfect fit for the indoor growing of plants.


Heat Dissipation

The problems associated with heating in the other LED grow lights, do not even stand a chance in the case of the Roleadro 400 Watt COB system. You can easily negate the heat produced which makes the product efficient enough to run for almost 18 hours. Interesting, huh? The dual fan system is responsible for such an efficient service.

Reflective Cups

Another one of the main features of the Roleadro 400 Watt COB system is the amazing reflective cups that it has. These cups have an amazing, reflective design that allows a very large coverage area. This also ensures that the maximum output is gained and thus enhances the product’s efficiency.


The current LED light systems are often subjected to different types of failure. What is different about this particular product is that the warranty period of the product is two years, which is an appealing factor for the customers. There is also an exchange policy associated with the product if you don’t find it according to your liking.

Top-notch Epileds

The COB system is integrated with the highest quality of Epileds. What they do is they increase the luminous capacity and enhance the color uniformity of the product and make it a valuable item for growers. The Epileds here have just one motive, and that is to make sure that the light emitted by the product is properly absorbed by the plants. This certainly helps in the growth and improvement of the plants.

Sunflower Arrangement Of The Radiator System

The amazing placement of the Sunflower System is certainly one of the main features of the product. This system helps to reduce the temperature when the product is too heated. You can easily keep the switch of the product on for longer periods of time with this technology as it keeps the lower temperature for a very long time.

Modular Light Design

One of the most amazing features of the Roleadro COB LED grow light is certainly the design of the product. The separate installation of the chips makes sure that the quality of the grow light is increased. How do you ask? Well, if one gets damaged or faulty, there is always the other one which can completely run on its own thus ensuring the longevity of the product.

On/Off Switch

The dual on/off switch system is another one of the awesome features of this particular item. This feature makes the product extremely useful when it comes to growing marijuana or cannabis. This customization options available in the product also make for an excellent feature.

Roleadro HYG08-2X400W-W 800W COB Full Spectrum Grow Light LED Plant Lamp with ON/Off Switch and Daisy Chain Function, 2nd Generation Flowering and Veg

Pros And Cons

You certainly get the best of the deal when you choose the Roleadro 400 Watt COB LED Grow Light for your indoor plants. Don’t believe us? Well, here are some of the pros and cons to help you decide better.


  • One of the main benefits of the product is certainly the full spectrum that you get. It comes with a researched recipe for the efficient growth of the plant.
  • Extremely affordable, the price of the product is relatively lower than its competitors and the warranty period of the product is quite appealing too.
  • The power-saving technologies used in the product make sure that the losses are minimized and the longevity of the product is increased.
  • Light-weighted, compact and has a heat dissipation system installed, which makes it an ideal choice for the indoor growth of the plants.
  • The daisy chain system is certainly another plus point here. Linking of 5 systems is possible in the product due to his system.
  • For increased input, the reflective cups are present.
  • The dual on/off switch increases the efficiency of the product and makes sure that the energy is conserved in the right way.


  • Every product has some cons and the absence of any provision for the manual control of the spectrum is a negative point.
  • It has limited features when related to other LED Grow Lights, but the features in the product are certainly sufficient for indoor plant growth.

Get the Roleadro 400W COB  LED Today:

There is no doubt that the number of positives in the product outnumbers the negatives. So it can be said undoubtedly that this product can be a tough competition when it comes to deciding the best LED grow light. Now that you know about the product make sure that you choose the best grow light for indoor marijuana efficiently.

With new and awesome features, this is just the right option for you. Hurry up people. Visit to make your booking now. Click on the link and order it now!

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Waterproof 100W LED Grow Light Full Spectrum, New Technology COB LED Grow Light, Natural Heat Dissipation Without Noise, Suitable for Plants All Growing Stage Indoor or Outdoor.
  • IP65 Waterproof LED Grow light, suitable the high humidity working environment, even raining.
  • New COB LED Grow Light with New Technology, ensure the light power intensity better than 300W RED&BLUE led grow light.
  • Intelligent Control of Heat Dissipation IC inside, ensure temperature less than 65 degrees Celsius.
  • No cooling fan working, no noise, suitable for indoor quiet environment.
  • 50000 hours working time, 2 Years Warranty, get repaird free
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1000W COB LED Grow Light WILLS Dual Switch Dual Chips Full Spectrum Growing Lamp with Thermometer Humidity Monitor for Hydroponic Indoor Plants Veg Flower (Actual Power 230watt)
274 Reviews on Amazon
1000W COB LED Grow Light WILLS Dual Switch Dual Chips Full Spectrum Growing Lamp with Thermometer Humidity Monitor for Hydroponic Indoor Plants Veg Flower (Actual Power 230watt)
  • COB LEDS - COB is known for high power and stability. COB, higher brightness, smaller thermal resistance, less light attenuation and longer life. COB itself is a full spectrum design with high PPFD value which can promote faster and better plant growth
  • ENERGY SAVING - The actual power is 230 watt.Best hang height at 24",Core Coverage area at 40"*40"(3.3*3.3ft). Maximum coverage area at 42"*42"(3.5*3.5ft). It is more scientifically and energy-efficient than HPS HID and MH. It serves both herb/veg/bloom and is convinient for you.
  • FULL SPECTRUM - The COB LED itself is a full spectrum lamp integrated design bead. We have added additional light beads in various bands to ensure the scientific full spectrum. It contains 2pcs COB, 40pcs 630-660nm, 8pcs 460nm,4pcs 6000k, 4pcs 3000K, 2pcs IR
  • BETTER COOLING & LOWER NOISE - 2 PCs built-in high speed fans and the metal housing with vents make the COB grow lights good at heat dissipation, keep it cool and work with low noise, which well extends the lights lifespan
Bestseller No. 3
CANAGROW Full Spectrum LED Grow Lights for Indoor Plants, Waterproof COB Outdoor Grow Light, Plant Growing Lamps Refugium Light for Saltwater Aquarium, Heating Lamps for Plants Seeding, Veg, Blooming
  • 【Optimal Full Spectrum LED Grow Light】CANAGROW COB LED Grow Light with the optimal full spectrum(380-800nm) which provides plants Veg and Flower all stages with everything they desire in the natural sunlight. Especially RED(630-660nm): Promote flowering and fruiting and increase yield directly; BLUE(440-460nm): Promote germination and photosynthesis; IR(780-800nm): Promoting plant cell growth; UV(380nm): Sterilization and disinfection.
  • 【Waterproof & Dustproof Technology】The lens of this full spectrum led grow light with seal ring are WATERPROOF and DUSTPROOF, It fits for indoor and outdoor lighting, providing more useful light to help plants grow faster. Especially when the plant needs extra light in raining days and snowing days, don't worry about damage caused by water entering the refugium light.
  • 【Intelligent Cooling Technology】Refugium light has passed CE, FCC and RoHS certification. This outdoor grow light intelligent control of heat dissipation IC inside, integral radiating case with heat-dissipation coating, make the light cooling very well, ensure temperature less than 65 degrees celsius, extending the lifespan of the heating lamps. WITHOUT any FAN and driver working, making the refugium light ultra-thin and ultra-light WITHOUT any NOISE.
  • 【High-Efficiency & Energy Saving】The refugium light can replace traditional 100 watt HPS/CMH while consuming only 45~55 watts (can only use 120v). BUT maximize the use of light energy by COB technology, our experimentals proof that outdoor grow lights can increas the plant's yield 48%-65%, but saveing 50% energy consumption. Hightest performance price ration, save your money.
  • 【Quality Assurance】We are a professional LED growing light manufacturer with strong R&D team and many light tester. 24-hour professional service center, 30 days full refund, 1 years warranty and 365 days technical support. If you have any questions and are not satisfied, please feel free to contact us, we will provide you best service.
Bestseller No. 4
Kolem COB LED Grow Light 150w Grow Lights for Indoor Plants Full Spectrum Plant Lights, Waterproof Grow Panel Light, Veg, Seedling for Plants Tent, Greenhouse, Garden, Hydroponic
  • ►【Full Spectrum Plant Grow Light】 150W LED grow light adopt with advanced COB chip and curved lampshade design that offers more highly-uniform and concentrated full spectrum(380-800nm) to plants any time, any where. Experimentals proof that our grow light can increase 45%-63% plant's yield and save 40% energy consumption. Working power 50+-5%W, 200W HPS/MH replacement while consuming only 50W with COB plants grow light.
  • ►【Waterproof Outdoor Grow Lights】 IP67 waterproof plant light is suitable for both outdoor and indoor plants. We did lots of experimentation on its waterproof especially when the plants needs extra light in raining and snowing days. Don't worry about damage caused by water entering the led plant grow light. Perfect for gardens and farms.
  • ►【Safer Grow Light for Indoor Plants】 Waterproof plant light adopt with heat dissipation IC, integral radiating space aluminum case, heat-dissipation coating design and overcurrent, overvoltage protection, ensure the COB plant light's working temperature less than 140℉. No fan no noise, but safer than the light fixture with fan. Suitable for indoor quiet environment. ON/OFF switch made the waterproof cob led grow light safer when in used.
  • ►【Widely Used & Adjustable Plant Light】 This waterproof grow light designs with adjustable bracket and comes with hook. This led plant growing lamp can be hung in the air, fixed to the wall/plant stand and directly put on the floor/desk. Without taking off the grow lights and easily to adjust the angle to match your plants needs.
  • ►【Quality Assurance & Service】 Plants growing light has passed CE, FCC and RoHS certification. Premium quality and safty waterproof led grow light that suitable for indoor/outdoor plants.
Bestseller No. 5
CANAGROW LED Grow Lights for Indoor Plants, 300W Full Spectrum COB LED Grow Light Bulb, E26 Sunlike White LED Plant Light Bulb, Aluminum Case & Reflector, Ultra Quiet Cooling Fan
  • 【Lumens Brand LED & Long Lifespan】Our led grow light bulb use sunlike 3500k full spectrum Lumens LED that made by Korea, highest quality and steady performance, the same quality as CREE CXB3590 LED, has 100000hrs lifespan. The indoor led plant light bulb includes universal Blue Red IR UV and white light provide everything plant desire in the natural sunlight, perfect for plants from germination to fruiting all stage.
  • 【Powerful Cooling Systems】We designed the cob led grow light bulb with aluminum case and gear heat-sink, and with hollow out design, also designed cooling fans in it, so that the plant grow light has a better heat dissipation, surface tempurature less than 45℃, make the led grow light bulb has a long life, and the cooling fans is very quiet less than 30dB voice.
  • 【High Par Value Output】The led plant grow light bulb use aluminum reflector, the lighting angle is 70°, increased the light efficiency and par value, the par value is 3 times of the normal led grow lamp in the market. The par value is about 1398umol @ 8inch, and about 892umol @12inch, and about 419umol @18inch, the led garden light bulb perfect for all indoor plants, gain a high yeild.
  • 【Compare to HPS/MH】The LED grow light bulb compatible with the standard E26 sockets, so you don’t need to purchase a special lamp. This indoor LED grow light bulb can replace traditional 300 watt HPS/MH while consuming only 40 watt. Compared to traditional HID, HPS, and T5 grow lights, CANAGROW LED grow light bulb stands out in terms of energy utilization, heat dissipation, and perfect temperature for photosynthesis.
  • 【Quality Assurance】We are a professional LED grow light manufacturer, we strive to offer the best service and intelligent products to our customers. 24-hour professional service center, 30 days full refund, 1 years warranty and 365 days technical support.
5/5 - (2 votes)

Bowden draws from over a decade of home growing experience as well as consulting for small-scale and hobbyist-level growers. He has written hundreds of articles, thought pieces, and tutorials about growing cannabis at home

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