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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
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Description
grow light for 2 plants SANSI 20W Full Spectrum LED Grow Light natural Light for Indoor Plants EU 220V / White / 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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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.7 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
Very short and very good
Format: eTextbook
I read this book or one similar to it my senior year in high school 1970. It absolutely caught my attention as a way to explain why the continents had separated from Gondwanaland.
I really liked revisiting the theory in light of the advances made since then
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Reviewed in the United States on May 8, 2018
★★★★★ 5
I love VSI on Kindle
Format: eTextbook
The thing is they take a long time to read because of the look up feature. It's like reading a book in the Library of Congress.
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Reviewed in the United States on June 15, 2020
★★★★★ 5
There are few who are capable of telling the story ...
Format: Paperback
There are few who are capable of telling the story of plate techtonics including critical details. Peter Molnar is one of those chosen few who can deliver such a story succinctly and precisely.
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Reviewed in the United States on February 12, 2017
★★★★★ 5
Very nice, but very short, book on the subject.
Format: Paperback
This is a very nice, but very short, book on the subject. I learned quite a bit and enough to delve into structural geology and related subjects.
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Reviewed in the United States on August 22, 2015
★★★★★ 4
Excellent 120 pages book on a complex subject.
Format: Paperback
I thought this was an excellent 120 pages book on a complex subject. It discusses a variety of subjects besides the title of plate tectonics and which are related to it: continental drift, oceanic seafloor spreading, fracture zones, subduction of tectonic plate edges, faulting, the creation of mountains and plateaus, earthquakes, volcanism, oceanic magnetic anomalies, and the locations of concentrated metallic ores. The text is accompanied by almost 40 sketches and diagrams elaborating on the discussions provided in the text.
The book also introduces the grand concepts of Earth geology such as the mantle, lithosphere, and asthenosphere. It also provides a short history of the development of the concept of plate tectonics.
Finally, the book provides specific detailed descriptions of the formation of major mountain ranges and plateaus such as the Himalayas, the Tibetan Plateau, Tien Shan, the Tarim Basin, the movement of Eastern Asia, the Andes, and the western US mountain ranges. It also gives a short description of the movement of India from the eastern edge of the African Plate to the Eurasian Plate over the past 90+ million years.
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Reviewed in the United States on February 14, 2023