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Description
single plant grow light SANSI 20W Full Spectrum LED Grow Light natural Light for Indoor Plants UK 220V / Black / 1-packFeatures: The secondary optical design: PPF: 33. 6mol s, PPFD: 195. 82 mol s @1ft. Through the lens for secondary scientific light distribution, improves light utilization, giving plants more supplementary light. Using only 20 watts of power, equivalent to 300W incandescent bulbs. Based on 18 hours per day usage, save up to 90% electricity, annual estimated cost $13. 14. 360 Gooseneck & Full Spectrum: Making every plant covered by 360 surrounding
Features:
- The secondary optical design: PPF: 33.6μmol/s, PPFD:195.82 μmol/s/㎡@1ft. Through the lens for secondary scientific light distribution, improves light utilization, giving plants more supplementary light. Using only 20 watts of power, equivalent to 300W incandescent bulbs. Based on 18 hours per day usage, save up to 90% electricity, annual estimated cost $13.14.
- 360° Gooseneck & Full Spectrum: Making every plant covered by 360° surrounding light, actualize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm, suitable for every cycle of plant growth, effectively promote plant growth, and improves crop yield and quality. Providing 4000K daylight, color rendering index Ra is close to 100, infinitely close to natural light.
- Replaceable bulbs: Different from similar products on the market, the bulbs of this product can be replaced, which not only facilitates customers to replace broken bulbs at any time but also avoids wasting money to repurchase the whole grow light. Saving money and protecting the environment. Additionally, whole-life warranty for the bulb.
- Patented Ceramic 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, producing a SANSI bulb with higher light efficiency.
- Guarantees: ETL listed & CE certification, quality and safety verified, 25,000 hours lifespan, and whole-life warranty for the bulb.
Specifications:
Item Model Number: C21GL-GE26-10W
Wattage: 20W(2*10W)
Voltage: AC 120V 60Hz
Replacement Wattage:150W Incandescent Bulb
Beam Angle: 60°
PPF: 26umol/s
Product Size：Φ62mm*H84mm
Weight: 1.74lb
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4.3 ★★★★★
Based on 2185 reviews
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Product Reviews
★★★★★ 5
DAMN, this is a great book!
Format: Hardcover
All history books should be this detailed, this readable, this humane. Lepore knows how to write about a horrible, nearly forgotten episode in NYC history. Unlike many historians, she steps away from overt politics or raw emotion. She knows that this subject is too serious to be shouted. It is the rare history book that is packed with facts as well as knowledge.
I felt like Lepore was taking my hand and leading me through the smelly streets of lower Manhattan in 1741, like I could almost see the faces of...what were they, anyway? The victims of a horrible hoax? The demented planners of a plot to burn the city? Or something in between, where thieves can also be the keepers of ancient rites from a distant homeland, where the world is turned upside down?
I could go on and on, but just buy the book!
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Reviewed in the United States on May 20, 2008
★★★★★ 3
New York Burning
Format: Paperback
.
This is an important book that explores in depth what is usually only found in textbooks as a one-sentence summation:
"In 1741 there was a slave uprising in New York City."
Scholars will probably be happier starting with the Appendix and bibliography and then reading the book. The text is disorganized and uneven, and although this is non-fiction, the characters could have been more finely drawn. Peter Zenger's trail keeps popping up in unexpected places, often disconnected from the action the author is working on. Some sections are heavy on primary documents and period writings, others are more poetic.
Yes, I do understand the parallels with the Salem Witch Trials. The Salem Witch Trials get more press today because of Arthur Miller's "Crucible." Color and religion of the participants aside, both events are stories of group think and mass hysteria, fear and anger. There is plenty of room here for a first-class film or play to be written.
Read this book, learn from it. Expect to complain about it.
Kim Burdick
Stanton, DE
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Reviewed in the United States on November 7, 2014
★★★★★ 5
What You Didn't Know
Format: Paperback
Did you know that if you were a Catholic Priest on the streets of New York in 1747 that you'd be arrested and hung! Great book if you're interested in the times during which our founding Fathers were growing up. It'll give you a different concept on how slavery was different in NYC as opposed to in the South, and how many of the streets in NYC got there names from English magistrates. If you like history, especially of NYC, you'll love this book.
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Reviewed in the United States on January 24, 2015
★★★★★ 5
Affordable and gets the job done
Format: Paperback
This is a great book. It gets the job done. It's clear and concise about the important concepts. The authors really edit the cases so that only the important and relevant stuff without the other fluff. I think that this book is better than other expensive textbooks. I don't think anyone didn't love this book. 100% would encourage professors to assign this book.
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Reviewed in the United States on November 28, 2023
★★★★★ 5
Amazingly thorough casebook...on the cheap!
Format: Paperback
Well written, simple, and thorough. The cases are clipped to only include the necessary info to understand the concepts. love it!
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Reviewed in the United States on April 15, 2024