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Description
best bulbs for indoor plants SANSI BR30 36W LED Grow Light Bulb, Perfect for Home and Greenhouse. JP E26 / 3-packKey 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: 65. 6 umol s, PPFD: 265. 58 mol s @
Key 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: 65.6 umol/s, PPFD: 265.58 μmol/s/㎡ @ 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.
Specifications :
Item Model Number: C21GL-CE26-36W
Wattage: 36W
Voltage: AC 120V 60Hz, 220V ship to EU/UK
Replacement Wattage: 400W Incandescent Bulb
Beam Angle: 60°
PPF: 65.6 μmol/s
Product Size: Φ116mm*H136mm
Weight: 0.836 lb
Tips :
1. Indoor use only.
2. Please do not use it in dimmable fixtures.
3. Please do not use it in totally enclosed fixtures.
4. The hanging distance between the luminous surface of the light and the plant is 30-50cm.
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4.9 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
A must read!
Format: Paperback
Hands down, the best book on prompt engineering and implementing LLMs. Really enjoyed Michael and James deep dive. Whether you're technical or not, this book is foundational to a deeper understanding in how to properly explore and implement LLMs.
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Reviewed in the United States on June 25, 2024
★★★★★ 4
Helpful for GPT/LangChain framework
Format: Paperback
I applaud the authors for putting forth a comprehensive introduction in a rapidly evolving space. I absorbed a lot, helpful as I was developing a prototype — using open source methods.
And that’s where I was disappointed. The LLM and examples are highly adapted to OpenAI’s GPT-x and the bulky LangChain framework, something not obvious until you dig in to the book. Sure, this may be where newbie demand was when the authors began writing. But as the open source models and OpenAI alternatives gain speed (e.g. Llama 3.1, Groq, etc.) this book may quickly need an updated and expanded version to stay relevant.
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Reviewed in the United States on August 7, 2024
★★★★★ 3
Good concepts, but uneven depth
Format: Paperback
Some helpful prompt frameworks, but parts felt repetitive and a few sections stayed too high-level for advanced users. Beginners will likely benefit more than experienced practitioners. If you’re new to prompt engineering it’s a decent starting point; if you’re already building structured prompts daily, it may feel light.
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Reviewed in the United States on January 17, 2026
★★★★★ 5
Necessary book to actually get value from AI tools
Format: Kindle
If you don't know how to prompt AI models correctly, you're missing out on substantially better results. This book has literally everything I could have asked for, it's an awesome resource.
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Reviewed in the United States on June 21, 2024
★★★★★ 5
Excellent Primer
Format: Paperback
"Foundation of Information Security: A Straightforward Introduction" stands out as a premier selection in 2024's literary landscape, particularly for those with a keen interest in information security. Published by No Starch Press, the book immediately catches the eye with its geeky cover art, appealing to enthusiasts and professionals alike. Beyond its visual appeal, the book offers a tactile satisfaction; the paper quality strikes the perfect balance of texture, enhancing the physical reading experience, while the ink quality ensures readability without the risk of smudging.
Having meticulously combed through its contents, it's evident that this book serves as an indispensable tool for information security professionals. Its comprehensive coverage, combined with an accessible approach to complex topics, makes it a valuable asset for both newcomers and seasoned experts in the field. The book's engaging writing style and practical insights contribute significantly to its status as a favorite read of the year, underscoring its importance in the professional development of information security practitioners.
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Reviewed in the United States on March 14, 2024