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Description
led bulb grow lights 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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4.4 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Easy read
Format: Hardcover, Format: Hardcover
I’m an NP student, and I find this book easier to read than the one recommended in school. The school-recommended book is almost $300, which is much cheaper. This book is a better read that breaks down complex concepts in a way that’s easy to understand. It should be used alongside NP books to help you understand your scope of practice. The book is written by an MD, which is a huge asset in terms of knowledge. The digital version includes the code, but I haven’t tried it yet. .
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Reviewed in the United States on February 17, 2026
★★★★★ 5
Dr Ferri's Clinical Advisor '26 is, as always, a fabulous resource for any medical or NP practice!
Format: Hardcover
Excellent resource, as always from Dr Ferri. Well worth its generous weight to use a resource other than UptoDate once in a while. Besides, for us medical providers who have been in the calling many years, Ferri's Clinical Advisor 2026 is better at maintaining ones arm strength than lifting an iphone, plus safer and more accurate than the use of AI;)
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Reviewed in the United States on February 13, 2026
★★★★★ 5
You wont regret!
Format: Hardcover
Love! Love! LOVE! Everything in one book! Plus you get the e-version included as well! I am in NP school and the differential diagnosis book my school required is a joke! I took a chance on this book and am so glad I did! It's a big book! So plan on leaving it on your desk or tabletop, but at least youll have access to the ebook across your devices
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Reviewed in the United States on September 11, 2025
★★★★★ 3
Sketchy citations.
Format: Hardcover
Retired MD. Keeping up for the sake of family, friends and myself. I was looking for something like the “Medicine” book I had third year of med school. This is quite a bit more comprehensive. HOWEVER, the references/citations are hopelessly effed up. In the e book chapter on CHF, every reference I checked was about TRANSSEXUALISM in some way!! You authors/editors have some major work to do. I checked other chapters too. Seems even in Cirrhosis chapter the citations are to urology journals, total non sequiturs. HELP!!
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Reviewed in the United States on November 27, 2025
★★★★★ 5
Good resource book
Format: Hardcover
Great book, very informative and does display info in an organized way. Huge book but worth it.
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Reviewed in the United States on October 30, 2025