VIPARSPECTRA Upgraded P4000 Led Grow Lights for Indoor Plants Dimmable Full Spectrum Commercial Grow Lamp for Seedlings Veg/Bloom in 5x3 Grow Tents Greenhouses
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Extended holiday returns
FREE refund/replacement until Jan 31, 2026 Learn more
FREE refund/replacement until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2026
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Availability:
In Stock.
Arrives
Monday, Nov 17
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Size: 39.4"x11"
Features
- LOWER OPERATION COST & DIMMER FUNCTION: VIPARSPECTRA P4000 LED grow light has adopted the newest SMD LED Technology to provide high PAR output, high energy efficiency and long lifespan while improving light penetration. An added dimmer knob is featured to manipulate the brightness level of the entire light, allowing flexibility to obtain perfect growth performance for each growing phase.
- FULL SPECTRUM LIGHT For INDOOR PLANTS: Consists of 52pcs 660nm of red light, 1272pcs 3000K and 632pcs 5000K of the white light spectrum and 4pcs IR 730 light, provides plants in all stages from veg to flower with everything they need in the natural sunlight. Achieve greater yield while saving you on energy costs!
- SUPERIOR HEAT DISSIPATION & EASY TO USE: P4000 features a Silent fanless design. Built-in large areas of solid aluminum heat sinks, essential for heat dissipation while ensuring long lifespan of the light. Plug-and-play mounting system with on-off switch allows you to easily use.
- LOW ENERGY CONSUMPTION GROW LIGHT: Comparable to traditional 1000W HPS/MH while consuming only 450W! Perfect for 5x4 vegetative coverage and 5x3 flowering coverage. Remember to properly adjust the height and brightness accordingly to your plants desired level for optimal growth.
- TRULY BEST BACK FOR THE BUCK: Plug and Play. Professional guidance, friendly customer service and US local after-sales service provides you with a pleasant shopping experience and helps your plants grow better. Make sure you purchase authentic VIPARSPECTRA grow lights. If you have any questions, please us at any time.
Color: Green
Shape: Rectangular
Material: Aluminum
Finish Type: Polished
Light Source Type: LED
Color: Green
Shape: Rectangular
Material: Aluminum
Finish Type: Polished
Light Source Type: LED
Shade Material: Aluminum
Power Source: Corded Electric
Brand: VIPARSPECTRA
Item Weight: 6.3 Kilograms
Style: Modern
Voltage: 120 Volts
Brightness: 73000 Lumen
Maximum Compatible Light Source Wattage: 400 Watts
Light Source Wattage: 4.5E+2 Watts
Mounting Type: Ceiling Mount
Bulb Features: Dimmable
Color Temperature: 4000 Kelvin
Specification Met: FCC, UL
Color Rendering Index: 87
Number of Light Sources: 1
Are Batteries Included: No
Bulb Base: GU24
Amperage: 1.8 Amps
Product Dimensions: 39.4"L x 11"W x 2.5"H
Light Output Maximum: 73000 Lumens
Manufacturer: VIPARSPECTRA
Wattage: 420 watts
Item Weight: 13.86 pounds
Item model number: P4000
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 17
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: 13"x7.9"
i'm running it on a smart plug (16 on/8 off), and it provides ample light for my houseplants (500 ppfd about 10 -12" distance at 50% power - measured with photone app) without any adverse effects. i could probably raise it to 75%, but my plants seem quite happy right now. i've mostly used barrina t5s for my plants and they've worked pretty well, but this is a big step up. i also have a mars hydro ts1000 and this p700 is giving it some pretty good competition. also, viparspectra customer service was real cool in answering some questions i had prior to purchasing, which motivated me to pick this up. will probably get another one of these in the very near future. pros: bright af w/ 4 position dimmable brightness (best feature) included accessories (hooks, pulleys) fairly light low heat (like, not hot at all) quality housing/build cons: no daisy chain (totally fine for my needs though)
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Reviewed in the United States on September 26, 2025 by C C
Size: 23.6"x11"
Don't believe what people say negative about this light online. My garden loves it you have to place it a lit bit higher than the book says but they exploded with growth over a few days after I replaced an old light with this one. The one it replaced was three times as expensive than this one. Sometimes you pay for just a name not with viparspectra, with viparspectra you pay for results period 💯 thanks to viparspectra for making a quality light affordable. As soon as you open it you can tell the quality of the leds are a better quality than other brands an the housing is not cheap flimsy metal it's very thick durable metal. I like the heat sinks an how there is space between the housing an the meanwell driver so it runs cooler. I really like the adjustable dimmer. also the weight of the light Is so light compared to other more expensive lights. The performance of this light is so good you may need to turn it down a notch cause it's very intense. I recommend this light 💯
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Reviewed in the United States on August 1, 2024 by Anonymous
Size: 23.6"x11"
I have bought every low cost option available on Amazon. I grew 2 amazing plants with yields of 1oz and 1.5oz with the low cost option. These lights tripled the output of the plant. High ppfd. No Noise. It is bigger and brighter than I thought. Cord is 3ft. The light has a dimmer switch, no timer. Works better than I ever imagined. Will be back to buy more.
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Reviewed in the United States on September 21, 2025 by Alixanna
Size: 23.6"x11"
By themselves these lights are pretty good. They put out a bit too much heat though. The actual light is hot not just the driver. I used them with the pro 69 and found that on level 10 through the app, they are severely overdriven and overheat very very fast. Fire hazard. But on their own you will find each dimming adjustment is a lot brighter than what you get with the controller. I called the company and they confirmed. Don't use with the AC Infinity controller.
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Reviewed in the United States on September 20, 2025 by Danny C.
Size: 23.6"x11"
The media could not be loaded. The VIPARSPECTRA P1000 LED Grow Light has completely exceeded my expectations! From setup to performance, this light is a game-changer for anyone serious about growing. First, the power and performance are spot on—true to the chart with no exaggerations. The light intensity is impressive, and my plants responded with vigorous growth and, most importantly, incredibly dense nugs. It's easily one of the best lights in its price range, hands down! Setup was a breeze, and the daisy-chaining feature is a fantastic bonus. It seamlessly connects to my Vivosun controller and even daisy-chains with my Vivosun light. The compatibility across brands makes this a versatile addition to any grow tent. I also appreciate the dimmable feature, which allows for precise control throughout the growth stages. Whether you’re starting seeds, vegging, or blooming, this light gets the job done with perfection. The driver is awesome, it does not get hot. I can touch it no problem. If you’re on the fence, don’t hesitate. This is not just a grow light—it’s an investment in higher yields and better quality. Highly recommend it! Tips: when hanging lights put them on the ground in the tent first then extend the pulleys to the light on the ground. After hooking both sides up slowly ascend the light. Much easier this way. If you really wanted to you could fit the P4000 in a 4x2 and have 5-6 inches on each side. But this light works.
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Reviewed in the United States on January 2, 2025 by DetailingGreeneryGrowGuy
Size: 11.8"x11"
A BUILT TOUGH, RUNS COOL, light. Ordered more! Compared to Spider Farmer, the light itself, runs with almost no heat. Should have got my temp gauge out. Will come back and post temps later.
Reviewed in the United States on November 9, 2025 by Robo Reviews
Size: 11.8"x11"
This thing is up there with the best of them it covers a huge area has adjustable dimmer no cooling fans because it doesn’t get that hot. very lightweight and comes with adjustable hangers. Has a great look and also a very long power cord if you’re thinking about ordering a light and are weary because it’s from China don’t hesitate. This thing is very versatile and made with the utmost quality I will never buy another brand of light because this one performed so well and such a good price buying another product would be like throwing money away
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Reviewed in the United States on August 15, 2025 by Brian Coddington
Size: 11.8"x11"
Hanging hardware of pulleys and hooks works well. Easily adjustable light --a spot of sunshine in the kitchen. I hung it out in the open on a tripod and it lights up the entire room. Nice sitting area for the winter.
Reviewed in the United States on October 18, 2025 by Peggy B Peggy B