Circadian Optics Lumos 2.0 Light Therapy Desk Lamp | As Seen On Shark Tank | 10,000 LUX UV-Free Full-Spectrum LEDs | Adjustable…
Circadian Optics
Best for
Best for desk use
Amazon rating
Amazon aggregate — one input among many in the Verdict Score
Based on 1 trusted source
Current price
$69.99
Updated May 14, 2026 · 1 min read
Synthesis sources
Methodology →Trusted contributors: Best Buy customers
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
Across the reviewers we read, the Circadian Optics Lumos 2.0 is the most-cited desk-friendly option. CNN Underscored praises its small footprint and overall versatility, and Best Buy verified buyers (high-trust retailer signal at roughly 94% positive) consistently mention the adjustable folding arms and three brightness levels. Its Shark Tank pedigree drives a lot of the Amazon review volume (6,475 ratings at 4.6).
What reviewers liked
- CNN Underscored and Best Buy high-trust retailer reviews both endorse it
- Folding, adjustable arm design lets users position the panel at the angle clinicians recommend
- Compact footprint suited to actual desks, repeatedly mentioned in r/skincaredevices
- 10,000-lux UV-free LED output with three brightness levels
Where it falls short
- Light face is smaller than larger panels, so effective lux drops quickly with distance
- One r/BuyItForLife user reported no effect for the first 10 days before benefits appeared — slow onset for some
- r/sharktank discussion questions the broader efficacy ceiling of consumer SAD lamps
- No color-temperature adjustment, unlike the HappyLight Luxe and Touch Plus
Across the reviewers we read, the Circadian Optics Lumos 2.0 is the most-cited desk-friendly option. CNN Underscored praises its small footprint and overall versatility, and Best Buy verified buyers (high-trust retailer signal at roughly 94% positive) consistently mention the adjustable folding arms and three brightness levels. Its Shark Tank pedigree drives a lot of the Amazon review volume (6,475 ratings at 4.6).
Reddit signal is more mixed but mostly favorable. r/skincaredevices users describe the Lumos as compact, attractive on a desk and noticeably brighter than smaller Verilux units. r/BuyItForLife includes a long-term owner who reports the effect built up over weeks rather than days — useful context for buyers expecting an immediate mood shift. r/sharktank threads, on the other hand, raise the usual skepticism about consumer SAD lamps generally, which applies to the whole category rather than this unit specifically.
The reviewer-agnostic strengths reviewers keep returning to are the hyper-adjustable folding arm (which lets you angle the panel off to the side, as clinicians recommend), the small desk footprint, and the 10,000-lux UV-free LED output. It is positioned as a desk lamp, not a floor or full-spectrum room light, and reviewers who wanted broader area illumination noted that limit.
- Feature 1
- Seen In The Tank | 10,000 LUX Brightness: Experience the sun lamp that impressed the Sharks! The lamp provides the recommended 10,000 LUX light brightness for effective bright light, mimicking the pure white color of the noon-day sun (5500K) to help regulate your circadian rhythm, boost energy, and improve sleep without harmful UV rays.
- Feature 2
- Hyper-adjustable Design For Any Desk: Unlike fixed-panel lamps, this model features a 270-degree rotating light panel to create and almost infinite number of positions. The stable, weighted base allows for easy angling of the light panel to position it closest to your eyes for maximum absorption while keeping the lamp firmly planted on the desk.
- Feature 3
- True Dimensions - Compact Yet Tall: Designed to respect your desk space. While it folds down to a compact 1.75" X 2.25" X 13.80" for travel or storage, it expands to a full 21" tall when in use. This tall stature ensures that the light reaches your eyes effectively while taking up the footprint of a mere post-it note.
- Feature 4
- Long-lasting LED and 3 Brightness Levels: Powered by LED technology rated for 50,000 hours of use, this lamp features a simple, easy, and ergonomic one-touch control to cycle through three distinct brightness levels, allowing you to acclimate comfortably and maximize your therapy cycle.
- Feature 5
- 4-Year EasyReplace Warranty & USA-based Customer Service: We stand behind our build quality. If your lamp or power adapter stops working for any reason within 4 years, we will provide a hassle-free replacement. Support is provided directly by our team in Minnesota, ensuring that you are never left in the dark.
- Feature 6
- All the Required Light Therapy Lamp Features: 10,000 Lux Brightness | Full-spectrum | 5500K Color Temperature | 50,000 Hour Lifespan LEDs | UV-Free. Our lamps have all the features you should be looking for in a bright light therapy lamp.
- Feature 7
- One of a Kind Lamp: Our lamps are different. A Circadian lamp is designed to make you stop and look. They are lamps with a point of view. Bold, daring designs set us apart. Our lamps are something you'll be proud to have on your desk. Solving real light problems are at the core of every product we make. Backed by almost a decade of research, testing, and development, Circadian lamps help improve mood, regulate sleep, boost energy, and increase focus.
- Feature 8
- Bold and Bright Lamps: We believe that a good lamp doesn’t just work the best — it should look the best, too. So you can be proud to have it in your space, while knowing it’s backed by nearly a decade of scientific research and testing. Improve mood, regulate sleep, boost energy, and increase focus without sacrificing aesthetics.
Customers frequently mention how the Lumos Light Therapy Lamp is adjustable, portable, and has multiple brightness settings. They appreciate the sleek design and find it easy to use.
I have owned it for about 8-9 months. Initially, I used it for about 10 days and it had next to no effect on me, so I stopped using it. At the ...
Using the Circadian Optics Lumos 2.0 light therapy lamp has been a surprisingly pleasant experience. As someone who struggles with seasonal ...
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“Testing All 6 of the Circadian Optics SAD Lamps!” · YouTube
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