Search  for anything...
FARMLITE

LED Grow Lights for Indoor Plants Full Spectrum Growing Light Bar Plant Hanging Growing Lamps Seedling Daisy Chain Dimmable Board 4x4ft Coverage (680watts)

  • Based on 772 reviews
Condition: New
Checking for the best price...
$379.99 Why this price?
Save $120.00 was $499.99

Buy Now, Pay Later

As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Zip, Apple Pay, and Google Pay. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

FREE 30-day refund/replacement

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: 13 left in stock
Fulfilled by Amazon
Arrives Saturday, Oct 3
Order within 7 hours and 6 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Size: 680watts


Features

  • Daisy-Chain DimmingThis grow light for indoor plant has a dimming button to adjust the light intensity required for different plant growth stages.The daisy-chain function allows you to connect up to 100+LED grow lamps and can be dimmed simultaneously.
  • Efficient Heat Dissipation and No NoiseOur grow lights are made of lightweight aluminum bars, which has efficient heat dissipation and cooling functions.it's powerful heat dissipation ability that no need to buy more cooling devices.This led plant light has no fan, there will be no noise.
  • 0-10V Control & EXTERNAL/MASTER/SLAVEthe grow light can be dimmed manually or by external 0-10v controller, 0-100% dimming function to meet the needs of plant growth.Master/Slave modes make setting on first light and control all grow lamps in greenhouse.Highly recommended for use in grow rooms, home growing.
  • IP65 Waterproof and Full SpectrumThe aluminium led grow lights full spectrum is waterproof and the light beads have undergone a spray-gluing process. so you don't have to worry about getting watered.

Description

Please place the light bar in the slot of the black aluminum rod and tighten the nut by hand. Please fix the 2 aluminum blocks onto the light bar by hand with screws. Please crew the power supply onto the aluminum block. Please use the unadjustable steel wire and adjustable ropes to hand the grow light. Will this grow light cover a 4x4ft tent? sure,This size of 420watts grow light is 43.3inchx43.3inch.It can cover 4x4ft grow tent and 5x5 tent. Dose it have a dimming feature? yeah.It has 4 levels of dimming.. Is it waterproof? yeah.The light beads of this grow lamp have been treated with glue application, which makes them waterproof. 150watts grow light 120W under canopy grow light 120watts grow light cover area 2x2ft grow tent cover area 3x3ft grow tent cover area 2x2ft grow tent size 17.7inchx17.7inch size L:23inch size 17.7inchx17.7inch

Color: Black


Material: Aluminum


Finish Type: Polished


Light Source Type: LED


Shade Material: Aluminum


Light Source Type: LED


Power Source: Corded Electric


Voltage: 120 volts_of_alternating_current


Light Source Wattage: 680 watts


Mounting Type: Ceiling Mount


Number of Light Sources: 6


Brand Name: FARMLITE


Model Number: AR-6


Manufacturer: FARMLITE


Unit Count: 1 Count


Manufacturer Warranty Description: 3 year manufacturer.


Included Components: Instruction Manual , 1x3M Long RJ11 Signal Cable,2xAdjustable Hanging Kits. 1x3M power cable.2xUnadjustable Hanging Kits


Manufacturer Part Number: QS-BAR4


Color: Black


Finish Types: Polished


Style Name: Modern


Material Type: Aluminum


Shade Material: Aluminum


Item Weight: 12 pounds


Item Dimensions L x W x H: 23"L x 23"W x 2"H


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Oct 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Great light, Great price
Size: 320watts
Review Image by David Carpenter
Review Image by David Carpenter
Just installed my new 320w Farmlite and have to say I'm very happy with this purchase. It covers my 4x4 tent perfectly and gives all my flowers plenty of light. Easy to put together and easy to hang. The only dislike is the amount of heat that they produce. Had to make a couple of adjustments inside the tent to compensate for the 8° temperature gain but it's nothing a fan can't take care of. Well made light at a decent price. ... show more
Reviewed in the United States on November 25, 2025 by David Carpenter
    • Quality light, quality price
Size: 360watts
This light is super DOPE, it’s a hidden gem truly. With the Samsung diodes it’s constructed the same as the top brands. The price point was amazing, install was easy but instructions weren’t., very durable and works excellent with spread coverage
Reviewed in the United States on January 8, 2026 by Christon Williams
    • It gets hot
Size: 260watts
This Light is awesome. Just installed it so not sure how the plants will react but it is a huge upgrade from the flat panels i had. Heat is definitely more than expected but manageable. I have it on 50 percent and it is twice as bright as the old lights. And the build quality is very nice.
Reviewed in the United States on July 19, 2026 by john heinemann
    • Nice light for a good price!
Size: 420watts
Nice quality light. Bright, built well. Only complaint would be the dimmer doesn’t cover a very large range, but that may be how all lights like this are.
Reviewed in the United States on January 10, 2026 by se
    • High quality- work great
Size: 680watts
High lumens and not heavy. I have these right next to my Gavita 1700E’s that I paid 2x as much for —they are just as good and don’t require an external controller. The cord isn’t very long and I’d prefer a 220 v cord, but other than that, it’s a bargain for the price
Reviewed in the United States on June 7, 2026 by Amazon Customer
    • Great budget grow light--fantastic really--we'll see how long it lasts!
Size: Large
Review Image by Larry Gray
Review Image by Larry Gray
Review Image by Larry Gray
Review Image by Larry Gray
Review Image by Larry Gray
Saw these lights when they popped up on a prime day sale last week (october 11th) Never heard of FARMLITE before, but the price was real nice, and the specs were promising. I purchased two of these 240W FARMLITE fixtures for my 2.5x5x7 tent. Here are my thoughts: 1️⃣How do they fit in a 2x2/2x4 tent? Two of these lights would absolutely push the limits of a 2x4 tent. One might even be overkill for a 2x2. They are, in my opinion, "just right" for my 2.5x5 tent, and they MIGHT even be powerful enough to flower in as big as a 3x6 space. MAYBE. 2️⃣How are the specs? At 100% power, hanging 16" (This originally said 26", I just noticed my typo a year later, OOPS.) over the canopy, the Photone app was registering 45.6 DLI in the center below each fixture. This is more than enough for autoflowering plants. At 75% power, I have them hanging 12" over the canopy, and registering 42.9 DLI in the center below each fixture. This is also more than enough for autoflowering plants. 3️⃣Do they run hot? I have 3 cheap $15 6" clip fans in my tent--one is pointed at the drivers from the corner bar of the tent, and both drivers are only just warm to the touch after hours of running. The light bars themselves are also just warm to the touch. Tent temps at canopy sitting comfortably at 73F, while temps outside the tent in my basement are 68F. I imagine running them at 100% all the time would jump it maybe to 76-78F in the tent. Totally reasonable temperature ranges. 4️⃣Are they hard to put together? Not at all. They don't come with an instruction manual, just a little fold out pamphlet with light information and a "what this light comes with" page. It even comes with a screwdriver. Screw all 4 light bars into the 2 fixture bars, screw the fixture bars into the driver base, plug the light bars in, hang the lights, plug the drivers in. You're good to grow. 5️⃣Are the components quality? Yes. The diodes look like genuine samsung diodes to me, size is right, look is right. If they're fakes, they're damn accurate ones. The drivers are high quality from a reputable company--Can't say i'm familiar with them, but googling turns them up, feel free to check them out for yourself! The light was easily put together, held with just 10 screws and its solid! 6️⃣But what about the PPFD? I grow mainly in autos, so PPFD is irrelevant to me. But for the sake of this review, I measured with Photone on my phone, a note 9, and at 12" over canopy, center of the light, 75% power; it's registering about 706PPFD. From what my enthusiast grower discord buddies tell me, this is great for autoflowers, and just right for photoperiod plants. At full power, these will provide more than enough light for flowering photos. 7️⃣Conclusion of review At the time of writing this review, these lights are 149.99 USD. That is a good deal for the quality and light output of these lights, even if the diodes are older models. I purchased them during a prime day sale for $108USD a piece. That is an absolute steal. If you see these lights on sale and in stock--nab these suckers. You won't regret the purchase, they aren't a junk no-name low quality light. These are solid, high quality grow lights. 8️⃣Final thoughts Maybe in the future, we'll get an upgraded model and all they'll change are the diodes, and it would be an amazing budget light.. Hint hint, FARMLITE. ;) That would be amazing, and make these lights even better than they already are. I've had them in my tent for all of 5 hours as I write this review, so I'll update if anything catastrophic happens. 9️⃣October 28, 2023--1 year operational use update: Added a few new pictures to show what I've grown beneath these lights. I am currently in my 4th grow using the two 240w FARMLITE fixtures i purchased just 1 year and 10 days ago. I cannot stress to potential buyers enough: these really are fantastic lights for their price point. 🔟Final Final Thoughts: I have taken to recommending pretty much just FARMLITE lights when people ask me about grow lights. They are affordable and powerful and perfect for new growers who want to get into the indoor growing hobby. Now i'm telling you to give these a try, I doubt you'll be disappointed. Tent and Light pairing recommendations: 2ftx2ft, 2ftx3ft: One 240w 2ftx4ft, 2.5ftx5ft: Two 240w 3ftx6ft: Two 240w OR one 320w 4ftx8ft: Two, preferably Three 320w ... show more
Reviewed in the United States on October 18, 2022 by Larry Gray
    • Runs hot
Size: 420watts
Great light, my plant loves it, but it does run hot. Worth the money.
Reviewed in the United States on September 3, 2025 by Fred Williams
    • Fantastic product Amazing service
Size: 680watts
Review Image by Jeffery C.
Review Image by Jeffery C.
Review Image by Jeffery C.
Review Image by Jeffery C.
Review Image by Jeffery C.
Review Image by Jeffery C.
I purchased this light on prime day, in stock and fast delivery. Light came very well packaged very easy to assemble and came with all hardware. Assembled light is extremely light but massive in size touching almost corner to corner of 4x4 tent. Which is perfect for no dark shadows in the tent. The out put of light is super bright but with very light heat compared to other lights that have been tested in the same tent. Will definitely be buying this brand again. ... show more
Reviewed in the United States on August 14, 2024 by Jeffery C.

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...