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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.
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Availability:
Only 3 left in stock, order soon!
Arrives
Nov 13 – Nov 17
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At a glance
- Condition
- New
- Size
- 39.4"x11"
- Model
- P4000
- Weight
- 6.3 kg
- Color
- Green
- Material
- Aluminum
- Shape
- Rectangular
- In the box
- 1 x P4000 Led Grow Light1 x Power Cord2 x Stainless steel hooks2 x Rope Hangers,1 x User Instruction
Features 5
- 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.
Description
VIPARSPECTRA is a professional manufacturer who specializes in LED grow lights for more than 12 years. VIPARSPECTRA LED grow lights are designed to provide high levels of PAR ideal for indoor horticulture plants from peppers to medical plants. We customized our light spectrum to optimize plant growth and increase yields while consuming less energy and reducing operating cost. Pro Series P4000 XS Series XS2500 XS Series XS1500 XS Pro Series XS3000 Pro Pro Series P2000 XS Pro Series XS1500 Pro Pro Series P1000
Specs 33
| Color | Green |
|---|---|
| Shape | Rectangular |
| Material | Aluminum |
| Finish Type | Polished |
| Light Source Type | LED |
| Power Source | Corded Electric |
| Voltage | 120 volts |
| Maximum Compatible Light Source Wattage | 400 watts |
| Light Source Wattage | 450 watts |
| Mounting Type | Ceiling Mount |
| Light Source Special Features | Dimmable |
| Color Temperature | 4000 Kelvin |
| Color Rendering Index | 87 |
| Number of Light Sources | 1 |
| Bulb Base | GU24 |
| Amperage | 1.8 A |
| Wattage | 420 watts |
| Material Type | Aluminum |
| Shade Material | Aluminum |
| Item Weight | 6.3 kg |
| Item Dimensions L x W x H | 39.4"L x 11"W x 2.5"H |
| Specification Met | FCC, UL |
| Finish Types | Polished |
| Style Name | Modern |
| Brand Name | VIPARSPECTRA |
| Model Number | P4000 |
| Set Name | VIPARSPECTRA P4000 LED Grow Light |
| Number of Items | 1 |
| Manufacturer | VIPARSPECTRA |
| Unit Count | 1 Count |
| Manufacturer Warranty Description | 3 years manufacturer. |
| Item Type Name | LED Grow Light |
| Manufacturer Part Number | P4000 |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Nov 13 – 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
Good quality item, versatile, pleasantly surprised by performance and ease of use.
Size: 13"x7.9"
Great value for the money, the 1st. one I bought performed so well I bought this 2nd. one right away. Good quality construction with sturdy frame. LED side appears to have a clear conformal silicon coating which I suppose is meant for moisture protection, but doesn't adversely affect optics. Nice extras, like the wide ranging pulley system for height adjustment. Shipping container well thought out to protect item during transit.
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Reviewed in the United States on August 21, 2026 by DanE
Great for seed starting or indoor greenhouse cabinets/tents
Size: 39.4"x11"
Unlike most other reviewers here, I didn't buy these to use in a tent. I wanted good quality led panels for use on a wire rack system for seed starting. I landed on these because they were the only-well reviewed panel I could find which came in the necessary dimensions. I purchased the largest size (11" x 39.4") because it would fit between the upright legs of my wire rack and extend slightly beyond the length of each 3 foot shelf. I purchsed 3. After seed starting I will use these for a planned indoor greenhouse cabinet build that will house my anthurium collection. The build quality of these is excellent and the mechanical output adjustment works well. I started some Jerusalem Artichoke and Apios tubers early this season. I had planned to store them until spring but it became obvious that they were not going to survive until then if I didn't get them planted (They were shriveling and many had become soft with areas of decay). They've been planted in nursery pots about 2 weeks now and the largest plants are already about 6 inches tall. They're going to be blooming by the time they can be planted outdoors at this rate! I've just started my first early seedlings (snapdragons) and will update how well they work for that purpose at a later time. They do get warm, but not so hot that they burn if touched. 3 panels in my 9' x 12' mudroom keep the space warm enough that I won't need heat mats. If you're looking for quality led panels, these appear to function well and are a good value for the price.
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Reviewed in the United States on February 16, 2026 by budgiezealot
Just Buy It
Size: 11.8"x11"
I bought grow lights from Barrina and SANSI (some of the common budget recommended grow light brands) for helping my indoor plants with poor sun exposure grow stronger and healthier. They worked fine and are definitely better than nothing, but the growth I've gotten in the 3 months I've had the VIPARSPECTRA grow light has been far and above the best. I put 2 spider plants under this, each in small 3.5'' nursery pots that had been showing minimal growth in about the 2 years they had spent hanging on to life at the back of my dark office, about 3 months ago. In 3 months they have exploded and have grown literally 500% more in that time than they had in the past 2 years, with each of them putting out strong and healthy shoots that are absolutely covered in spider plant babies. I have a smaller monstera also under this light that has put out highly fenestrated leaves every couple weeks since moving it, and a notoriously fickle calathea that has been much healthier and growing strong since using this light as well. The panel is solid and clearly of a higher quality and build than the cheap plastic you'll find in most grow lights under $100. The one and only complaint I have is that, for use as a house plant grow light, it's a bit of a double edged sword. You get insane growth but it's SO bright even on the lowest setting that having it directly in your eye line will sear your retinas like tuna steaks. This means you either have to position it lower than your line of sight or have some means of blocking it. I have it positioned such that it isn't a problem, but it also means I'm obstructing my own view of the beautiful plants growing beneath it. I wish there was a solution that allowed for some sort of reflector/hood/shade that would hang beneath the panel to obscure and soften the light when viewed from anywhere other than directly below it. I actually just bought some lamp shades that may work for this purpose with some slight modification and will update this review in case it helps anyone out. In short, just buy it. Especially if you're growing in a tent or area where you need more function than form in a grow light, this thing is a beast and for the price I don't imagine there is anything that can match it.
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Reviewed in the United States on July 15, 2024 by A Person
Have to say I am impressed with the coverage of this grow light.
Size: 39.4"x11"
I have to say I am impressed with this grow light. I have a large 2-room basement that I grow almost all of our vegetables and herbs year-round. I have quite a few larger LED lights that are primarily from one other popular grow light provider. When I bought this light, I needed something that would cover a 5' x 3' shelving unit with 2 shelves. Generally, a light that is advertised as covering a 5' x 3'-foot area realistically covers only a 4' x 2'-foot area sufficiently, but the most consistent lighting covers 4' x 3'. After I installed this light on one of my 5' x 2'-foot shelves with 2 shelves, I couldn't believe how bright it was, and the lighting actually covered the entire length and width of the shelf. After testing the lighting with a Par meter which measures usable light for plants, I had to turn the light down to 75% so the light was not too bright as to cause CO2 problems with my plants. I plan to replace some of my shelf lighting for the 5' x 2'-foot shelves since I don't need an additional light to cover the end of the shelf and this light covers the 24" width of the shelves. So, what do I really like about these plant lights? 1) They actually almost cover the area advertised. 2) These lights are dimmable, so they can be dimmed for taller or young plants and can be used at full strength for smaller plants that need more or less light. On my shelf, the light is 13" above the plants, and I have the light set at 50% for a PAR reading of 742. 3) When using on shelves, the lights can be hung at the top of the shelf and lighting can be regulated by using the dimmer rather than having to adjust the height of the light. There is also the option to hang the lights with the supplied pulleys. 4) The lighting from this fixture seems to penetrate the plant canopy much better the the previous light I was using. This allows more light to foliage under the upper leaf canopy. 4) This light works well with a timer. 5) This light has a 9' power cord that will reach most electrical outlets. 6) There is no noise at all from the fan. 7) So easy to use once it is set up. Considerations for setting up this plant light: 1) The on/off switch and the plug for power are located on the top of the fixture and in the middle of the fixture. When using on a shelving unit, allowances for the electrical plug and on/off switch must be made to allow distance from the shelf it is hung on for accessibility. For use on a shelf, this light would be more flexible if the plug and switch were on an end of the light rather than on the top. 2) Hang the light so the dimmer at the end of the fixture is easily accessible. Again, I am very impressed with this plant light and will likely buy more of them to replace lights that I now have on some of my shelves. I realize these lights aren't cheap, but really you get what you pay for. These lights have a 3-year warranty and will hopefully last a long time. I will definitely update this review if my opinion changes. I hope this review was helpful for you.
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Reviewed in the United States on December 8, 2025 by Judy L.
Gets the job done at a reasonable price..
Size: 11.8"x11"
Not a bad light for the price. I own multiple higher end LED grow lights, but needed something smaller for a small tent I used to overwinter some outdoor plants in my garage. This light worked very well. It's nothing fancy but the dimming switch works well and the light gets the job done.. Would recommend for someone looking for a decent light at a good price.
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Reviewed in the United States on April 6, 2026 by Malcolm
Amazing grow light!!
Size: 11.8"x11"
Amazing lights! I purchased this for my chameleon enclosure’s plants and I’m really shocked how effective it is for plant growth. It’s the perfect size for my 24X24X32 enclosed. It’s very durable and great quality. Adjusting the light is so easy, just turn the dial to your desired output. I’ve only adjusted to the second click cause I’m afraid anything above that might burn my plants. I think the only thing it’s missing is a timer but not a deal breaker. Def with the money
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Reviewed in the United States on September 27, 2026 by J. PEREIRA
Bipar Spectra grow lights are high quality and work very well
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These grow lights are very high-end high quality you can tell when you pull it out of the package they're extremely bright I highly recommend you use a meter app on your phone to set them at the right brightness or you'll burn your plants they're that bright but they work very well consistently reliably and they make your plants grow thick and healthy as opposed to thin and lanky if you have it set right there's no reason your plant should get leggy at all I feel that they are worth the price for these units and they've only improved them on each new model I have four of these and use them strictly for seed starting on a rolling rack system so I love that you can adjust the brightness there's a dial on the side of it to adjust the level of brightness because I can't raise and lower the picture itself so this allows me to reduce the intensity on the young plant so they don't get burned and as the plant grows up closer you can turn it down it comes with a jack that you can link them together to operate on a controller to each one and daisy chain them together
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Reviewed in the United States on April 19, 2026 by R. Shaw
Great indoor light
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