---
product_id: 63139208
title: "Grow Light Bulbs for Indoor Plants, 24W Full Spectrum 4000K Daylight"
brand: "sansi"
price: "$68.55"
currency: USD
in_stock: true
reviews_count: 11
category: "Sansi"
url: https://www.desertcart.us/products/63139208-grow-light-bulbs-for-indoor-plants-24w-full-spectrum-4000k
store_origin: US
region: United States of America
---

# 4000K natural daylight spectrum High PPFD 177 μmol/m²/s @1ft Patented ceramic heat sink tech Grow Light Bulbs for Indoor Plants, 24W Full Spectrum 4000K Daylight

**Brand:** sansi
**Price:** $68.55
**Availability:** ✅ In Stock

## Summary

> 🌿 Light up your indoor jungle with science-backed brilliance!

## Quick Answers

- **What is this?** Grow Light Bulbs for Indoor Plants, 24W Full Spectrum 4000K Daylight by sansi
- **How much does it cost?** $68.55 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/63139208-grow-light-bulbs-for-indoor-plants-24w-full-spectrum-4000k)

## Best For

- sansi enthusiasts

## Why This Product

- Trusted sansi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Plug & Grow Simplicity:** Fits standard E26 sockets—no extra gear needed. Perfect for stylish, hassle-free indoor gardening setups.
- • **Full Spectrum Brilliance:** Mimics natural sunlight with a 4000K color temp and CRI near 100 for vibrant, healthy plant growth.
- • **Precision Light Delivery:** Optical lens boosts PPFD to 177 μmol/m²/s at 1ft, maximizing light absorption and growth efficiency.
- • **Cool & Durable Ceramic Design:** Patented Chip-on-Ceramic tech ensures faster heat dissipation and 25,000 hours of reliable use.
- • **Safety & Longevity Guaranteed:** ETL listed with flame-retardant materials and a 5-year warranty for peace of mind and lasting performance.

## Overview

The SANSI 24W Full Spectrum Grow Light Bulb delivers natural 4000K daylight with a high PPFD of 177 μmol/m²/s, using patented ceramic heat sink technology for superior heat management and a lifespan of 25,000 hours. Designed for easy installation in standard E26 sockets, it offers safe, efficient, and reliable supplemental lighting to boost indoor plant growth and crop quality, backed by ETL certification and a 5-year warranty.

## Description

desertcart.com: SANSI Grow Lights for Indoor Plants, Full Spectrum 24W Grow Light Bulbs (300 Watt Equivalent) with Optical Lens for High PPFD, Natural Daylight Efficiency Plant Lights for Indoor Growing Seed Starting : Patio, Lawn & Garden

Review: Pleasantly surprised--my plans are actually doing better - I picked this up about a month or two ago because a few of my houseplants were clearly struggling in my apartment's low light, and I didn't want to keep watching them slowly decline. I wasn't expecting miracles, but I have to say this light has been worth it. The difference in my plants hasn't been overnight or dramatic, but it's been real and consistent. New leaves coming in, better color, less of that sad droopy look I was used to seeing. That's honestly all I needed to see to feel good about the purchase. The brightness and coverage surprised me. It throws a lot of usable light across a decent area — more than I expected from a single bulb. My plants aren't all crammed directly underneath it and they're still benefiting, which is a nice bonus when you're working with limited space. The fact that it screws into a regular socket is a bigger deal than it sounds. I already had a clamp light I wasn't really using — swapped the bulb in, clamped it right onto my shelf, aimed it at my plants, and that was it. No special hardware, no complicated setup, just plug and go. A couple things to keep in mind: it is a bright light, so if you're putting it in a living space you'll probably want to put it on a timer rather than leaving it on all day. And it does run a little warm, which I expected but is worth knowing. Overall, solid product. Nothing flashy, just works. For the price and the simplicity, I'd buy it again.
Review: Great Grow Light for DIY Track Lights - Bought these for an indoor plant setup and they've exceeded expectations. Plenty of light output, natural color, and they're easy to replace if needed. A great option if you want something functional that still looks good in your home.

## Features

- 4000K DAYLIGHT: Imitate the solar spectrum, customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; Color rendering index Ra is close to 100, infinitely close to natural light, suitable for every cycle of plant growth, effectively promotes plant growth, and improves crop yield and quality
- SECONDARY OPTICAL DESIGN: PPF: 36.2umol/s, PPFD:177.06 μmol/s/m² @ 1ft . Through the lens for secondary scientific light distribution, improve light utilization, give plants more supplementary light, and improve light bulb lifespan to 25,000 hours
- PATENTED COC TECHNOLOGY: Chip on Ceramic, SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, and directly solder the LED chip on the ceramic heat sink, effectively reducing the system thermal resistance between the LED PN junction and the surface of the heat sink, resulting in faster heat conduction and higher product reliability, makes the SANSI bulb has higher light efficiency
- SAFE & RELIABLE: The lamp body is made of special ceramic material, and the flame retardant grade reaches V0; the reinforced insulation structure design, no risk of electric shock, is safer; the whole shell material reaches the WF2 anti-corrosion grade, which is more reliable; low IR, less heat radiation, avoiding close Distance exposure burns plants
- GUARANTEES: ETL listed, quality and safety verified, 5-year protection plan

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BRKT56T |
| Accepted Voltage Frequency | 100 to 120 Volts and 60 Hertz |
| Additional Features | AC 90-132V, Aesthetically pleasing home design, Ceramic technology, ETL listed, safe and long lifespan, Full spectrum, Natural 4000K Light, eye friendly, Optica lens for high PPFD, better for indoor plant growing |
| Beam Angle | 60 Degrees |
| Best Sellers Rank | #2,301 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #2 in Plant Growing Light Bulbs |
| Brand | SANSI |
| Brand Name | SANSI |
| Bulb Base | E26 |
| Bulb Shape Size | BR30 |
| Color | White |
| Color Rendering Index | 95.00 |
| Color Temperature | 4000 Kelvin |
| Connectivity Technology | Infrared |
| Control Method | Touch |
| Controller Type | Push Button |
| Customer Reviews | 4.6 out of 5 stars 1,786 Reviews |
| Frequency | 60 |
| Incandescent Equivalent Wattage | 300 Watts |
| Included Components | Bulb |
| Indoor Outdoor Usage | Indoor |
| Item Dimensions W x H | 5.16"W x 6.65"H |
| Item Type Name | Grow light bulb |
| Item Weight | 0.9 Pounds |
| Light Color | 4000K Daylight |
| Light Output Maximum | 2160 Lumens |
| Light Source Operating Life | 25000 Hours |
| Light Source Type | LED |
| Light Source Wattage | 24 Watts |
| Light Type | LED |
| Manufacturer | SANSI |
| Manufacturer Part Number | 01-03-001-022405 |
| Manufacturer Warranty Description | 5-year warranty. |
| Material Type | Ceramic |
| Model Number | C21GL-CE26-24W |
| Number of Items | 1 |
| Package Quantity | 1 |
| Power Consumption | 24 Watts |
| Power Source | Corded Electric |
| Shape | Bulged Reflector |
| Smart Home Compatibility | Not Smart Home Compatible |
| Special Feature | AC 90-132V, Aesthetically pleasing home design, Ceramic technology, ETL listed, safe and long lifespan, Full spectrum, Natural 4000K Light, eye friendly, Optica lens for high PPFD, better for indoor plant growing Special Feature AC 90-132V, Aesthetically pleasing home design, Ceramic technology, ETL listed, safe and long lifespan, Full spectrum, Natural 4000K Light, eye friendly, Optica lens for high PPFD, better for indoor plant growing See more |
| Specific Uses For Product | Lamp |
| Specification Met | CE, ETL |
| Style Name | Modern |
| Theme | Garden |
| Unit Count | 1 Count |
| Voltage | 110 Volts (AC) |
| Wattage | 24 watts |
| White Brightness | 2160 Lumens |

## Product Details

- **Brand:** SANSI
- **Bulb Shape Size:** BR30
- **Light Type:** LED
- **Wattage:** 24 watts

## Images

![Grow Light Bulbs for Indoor Plants, 24W Full Spectrum 4000K Daylight - Image 1](https://m.media-amazon.com/images/I/61RzDc7xGmL.jpg)

## Available Options

This product comes in different **Wattage** options.

## Questions & Answers

**Q: How do I determine light needs, height, and duration for my plants?**
A: Check your plant's Daily Light Integral (DLI) and use our PPFD values at different heights to calculate optimal lighting duration.

**Q: How does this light compare to red and blue spectrum lights?**
A: Our 4000K full-spectrum light mimics natural sunlight, suitable for various plants without causing light pollution. Ceramic construction ensures durability and safety.

**Q: How energy-efficient is this grow light? Will it significantly increase my electric bill?**
A: Our LED grow light consumes 36W, costing approximately $1.56 per month (12 hours/day) at $0.12/kWh. LEDs like ours are highly efficient, providing cost-effective lighting solutions for plant growth.

**Q: I prefer growing tropical plants. Is this light suitable for that?**
A: Yes! Our full-spectrum light mimics natural sunlight, essential for tropical plants. With a high PPFD of 265.58 μmol/s/㎡@1ft, it promotes fast photosynthesis and robust growth, evenly illuminating plants for compact, symmetrical growth.

**Q: What's the best light for indoor plant growth?**
A: Plants need specific light at different stages -more blue for growth, more red for flowering. Our Full Spectrum Lights meet these needs and provide optimal conditions. Adjust duration and maintain optimum height above plants for even growth.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Pleasantly surprised--my plans are actually doing better
*by S***E on April 9, 2026*

I picked this up about a month or two ago because a few of my houseplants were clearly struggling in my apartment's low light, and I didn't want to keep watching them slowly decline. I wasn't expecting miracles, but I have to say this light has been worth it. The difference in my plants hasn't been overnight or dramatic, but it's been real and consistent. New leaves coming in, better color, less of that sad droopy look I was used to seeing. That's honestly all I needed to see to feel good about the purchase. The brightness and coverage surprised me. It throws a lot of usable light across a decent area — more than I expected from a single bulb. My plants aren't all crammed directly underneath it and they're still benefiting, which is a nice bonus when you're working with limited space. The fact that it screws into a regular socket is a bigger deal than it sounds. I already had a clamp light I wasn't really using — swapped the bulb in, clamped it right onto my shelf, aimed it at my plants, and that was it. No special hardware, no complicated setup, just plug and go. A couple things to keep in mind: it is a bright light, so if you're putting it in a living space you'll probably want to put it on a timer rather than leaving it on all day. And it does run a little warm, which I expected but is worth knowing. Overall, solid product. Nothing flashy, just works. For the price and the simplicity, I'd buy it again.

### ⭐⭐⭐⭐⭐ Great Grow Light for DIY Track Lights
*by J***B on June 19, 2026*

Bought these for an indoor plant setup and they've exceeded expectations. Plenty of light output, natural color, and they're easy to replace if needed. A great option if you want something functional that still looks good in your home.

### ⭐⭐⭐⭐⭐ Satisfied
*by D***G on December 31, 2020*

Positives: - The light does not get hot. I can touch it at any time and it will not burn my skin. It is warm to the touch. - It saved my jade plants on the left. I watered them in November last year and their location in my apartment received little light. As a result, the soil stayed wet and I lost about half the growth. I bought this light in January year (2020) - almost a year ago - to provide light to the plants (I also bought a heating pad to help the base dry out). It's hard to say which one saved my favorite jade plants, but I'd like to think they both worked well together. The jade has new growth on it under this light (I rotate them in and out around the edges while keeping the more light-dependent cactus and euphorbia directly beneath the light) even during the winter. Also, the plants dry out faster in this brighter space and with the grow light, so I am very pleased. - My cactus and euphorbia plants seem to do well under the light (they should be in hibernation with the cooler temperatures). I expect decent growth from them once it warms up in the building as spring approaches. - My aloe responded very well under the light and put out new growth even though it should be dormant right now. I have moved it out so that it can rest. The light seems effective and is never too hot to touch - which is in my opinion the best thing about this light - as I want it to continue to provide light to my succulents without forcing them out of dormancy too early. The added heat would counteract that, so this cool bulb is perfect. It is plenty bright - it hurts the eyes to look upon it directly (which I do not recommend doing). Negatives - I haven't seen any. A year later and my succulents are healthy, seemingly happy with appropriate growth levels. I do not know how it performs with flowering plants or broad-leafed plants, but for succulents, it has performed well a year out without any issues.

## Frequently Bought Together

- SANSI Grow Light Bulb with COC Technology, Full Spectrum 24W Grow Lamp (300 Watt Equivalent) with Optical Lens for High PPFD, Perfect for Seeding and Growing of Indoor Plants, Flowers and Garden
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- BN-LINK BND-60/U47 Indoor Mini 24-Hour Mechanical Outlet Timer, 3-Prong, 2-Pack

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-26*