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Description
energy saving grow light bulbs SANSI A21 22W (250-200Watt Equivalent) Omni-Directional Ceramic LED Light BulbsAbout this item DIMMING & TIMING: Remote Control Available No need to unplug re plug! It is designed with a 4, 8, 12 timing function and offers 4 Dimming brightness levels from 10% to 40% to 70% to 100%. You don't need to move your plants or the light bulb, just use the remote control to chose the most suitable brightness for your plants growth! FULL SPECTRUM & NATURAL LIGHT: Imitate the solar spectrum, customize a more ideal full life cycle full
About this item
- DIMMING & TIMING: Remote Control Available - No need to unplug/re-plug! It is designed with a 4, 8, 12 timing function and offers 4 Dimming brightness levels from 10% to 40% to 70% to 100%. You don't need to move your plants or the light bulb, just use the remote control to chose the most suitable brightness for your plants growth!
- FULL SPECTRUM & NATURAL LIGHT: Imitate the solar spectrum, customize a more ideal full life cycle full spectrum supplementary light program, covering the entire visible spectrum of 400nm-780nm; High Color rendering index, infinitely close to natural light, suitable for every cycle of indoor potted plants, such as monstera, basil, orchid, philodendron, Bawang fern, succulents, aloe vera, devil's Ivy, calibrachoa, African violet, etc.
- HIGH PPFD & ENERGY SAVING: PPFD: 53.85μmol/s/㎡ @1ft, effectively help your plants or flowers grow faster and stronger! This SANSI 5W dimmable grow light bulb is equivalent to 75W traditional light bulb, providing 500lm brightness, save up to 93% electricity.
- SCIENTIFIC DESIGN & LONG LIFESPAN: PAR20 bulb directly casts light on plants, greatly improve PPFD utilization than A19 grow bulbs. The unique secondary lens design carries out scientific light distribution, provides more supplementary light to plants, and extends the bulb life to 25,000 hours.
- PATENTED CERAMIC TECHNOLOGY: SANSI's patented technology replaces the traditional Mcpcb aluminum substrate with a non-conductive ceramic heat sink, directly soldering 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, making SANSI's bulbs perform with higher light efficiency.
- GUARANTEES & REPLACEMENT: ETL listed & CE certification, quality and safety verified, 5 years warranty or the same replacement!
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4.6 ★★★★★
Based on 1092 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
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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