Frequently asked questions

What is Yenjie Lighting?

Yenjie Lighting is a professional horticultural lighting brand focused on high-performance LED grow lights for commercial indoor cultivation and greenhouse applications. Our product lines are designed to support flowering performance, canopy uniformity, energy efficiency, and reliable long-term operation.

What products do you offer?

We offer multiple LED grow light series for different cultivation needs, including:

• D Series – under-canopy supplemental lighting

• H Series – high-output flowering fixtures

• Q Series – efficient commercial flowering bar lights

• S Series – powerful compact flowering fixtures

What is the difference between your D, H, Q, and S Series?

• D Series: Under-canopy lighting for improving lower-canopy penetration and uniformity

• H Series: High-output flowering fixtures for broad canopy coverage and HPS replacement

• Q Series: Efficient bar-style flowering lights for commercial grow applications

• S Series: Compact high-power flowering fixtures for strong output and reliable performance

Are your lights suitable for commercial cultivation?

Yes. Yenjie Lighting products are designed for commercial indoor cultivation and greenhouse use. Our fixtures are built to support large-scale grow environments that require strong performance, efficiency, and consistent output.

Are your lights full spectrum?

Yes. Our fixtures are designed with full-spectrum horticultural lighting strategies optimized for cultivation performance. Some series also include red-enhanced spectrum and 730nm far-red support for flowering-stage applications.

Are your lights designed for flowering or full-cycle growing?

Some products are optimized specifically for the flowering stage, while others can be used as part of a broader cultivation lighting strategy. Product application depends on the series and model. Please review the product page or contact us for recommendations based on your grow setup.

Are your lights designed for flowering or full-cycle growing?

Some products are optimized specifically for the flowering stage, while others can be used as part of a broader cultivation lighting strategy. Product application depends on the series and model. Please review the product page or contact us for recommendations based on your grow setup.

Can your lights replace HPS fixtures?

Yes. Several Yenjie Lighting products are designed as 1-to-1 HPS replacements, helping growers upgrade to LED technology while improving energy efficiency, reducing heat load, and maintaining strong cultivation performance.

What are the benefits of LED grow lights compared to HPS?

LED grow lights can offer several advantages over traditional HPS systems, including:

• Higher energy efficiency

• Lower heat output

• Reduced HVAC burden

• Longer fixture lifespan

• Improved light distribution

• Better controllability in modern cultivation environments

What voltage do your lights support?

Many of our commercial fixtures support AC100–277V input. Exact electrical specifications depend on the model. Please refer to the individual product page or contact us for confirmation.

What is PPE?

PPE stands for Photosynthetic Photon Efficacy and measures how efficiently a fixture converts electrical energy into usable light for plants. It is typically expressed in μmol/J. Higher PPE generally indicates better fixture efficiency.

Do your lights support dimming?

Yes. Many of our commercial fixtures support 0–10V dimming for more flexible cultivation control. Dimming capability depends on the series and model.

Are your lights waterproof or suitable for humid grow environments?

Many Yenjie fixtures are designed for demanding grow environments and may include IP65 protection, depending on the model. Please verify the rating on the product page before installation.

What certifications do your products have?

Certain Yenjie Lighting fixtures are available with certifications such as ETL and CE, depending on the specific series and model. Contact us if you need certification details for purchasing or project approval purposes.

What is the lifespan of your grow lights?

Many of our products are designed for long-term operation with rated lifespans of 50,000+ hours, depending on usage conditions and model specifications

What warranty do you offer?

Many Yenjie Lighting products include a 4-year warranty. Warranty terms may vary by product or order type, so please confirm final warranty coverage at the time of purchase.

Do you offer under-canopy lighting?

Yes. Our D Series is designed specifically for under-canopy supplemental lighting to improve lower-canopy penetration, support lower flower-site development, and increase crop uniformity.

Do you offer lighting for greenhouse projects?

Yes. Some Yenjie Lighting products are suitable for greenhouse cultivation applications. Contact us with your project details so we can help recommend the most appropriate fixture.

Do you work with distributors?

Yes. We are open to distributor and commercial partnership opportunities. If you are interested in carrying Yenjie Lighting products, please contact us for more information.

Can I use your lights in a home grow?

Our products are primarily positioned for professional and commercial cultivation, but some models may also be suitable for smaller private cultivation setups depending on size and power requirements.

Where can I learn more about your products?

You can explore our product pages, blog content, and company information on the website. If you need technical guidance or project support, feel free to contact us directly.