The Glocusent Horizontal ET-head Book Light offers an amber 1800K mode that blocks 99.99% of blue light, according to the brand. Its horizontal light bar design spreads light evenly across pages, and the CRI 95 LEDs deliver accurate colors. This makes it a practical choice for bedtime readers who want reduced eye strain.
If you’re searching for a ‘Glocusent Horizontal ET-head Amber Book Light with CRI review’, you’ve come to the right place. We’ve analyzed the brand’s official published specs to give you the facts.
This book light is designed for book lovers who read horizontally (like lying down) and want amber light to reduce eye strain. According to Glocusent, it blocks 99.99% of blue light in amber mode and has a color rendering index of 95 for true-to-life colors.

Published specs
| Spec | As published |
|---|---|
| Light Source | 9 advanced LED beads |
| Color Temperature (Amber Mode) | 1800K |
| Blue Light Blocking | 99.99% in amber mode |
| Color Rendering Index (CRI) | 95 |
| Design | Horizontal ET-head with horizontal light bar |
| Mount Type | Clip-on (mini clip-on light) |
| Product Category | Book Lights |
| Recommended Usage | All Recommended (from brand tags) |
| Warranty | 30-day money-back promises; extended 36-month warranty upon registration (brand states) |
| Returns | 30-day money-back promises for undamaged products with original packaging and accessories |
Who it suits
- Bedtime readers who want warm amber light to reduce eye strain
- Readers who prefer a horizontal light bar that spreads evenly across both pages (especially for landscape reading)
- Those who value high color accuracy (CRI 95) for seeing true colors in books or magazines
Who should skip
- Readers who need adjustable color temperature (only amber mode mentioned, no white light option stated)
- Those who require long battery life or rechargeable battery details (not stated by the brand in the provided data)
- People who want a light with multiple brightness levels or modes (only amber mode described)
Pros
- Amber 1800K mode blocks 99.99% blue light, according to the brand
- Horizontal light bar design for even illumination on book pages
- High CRI 95 for accurate color reproduction
- Clip-on design makes it easy to attach to books or e-readers
Cons
- Battery life, charging method, and power specifications are not stated by the brand
- Only one color temperature mode (amber) is mentioned; no white light or adjustable brightness levels
- Dimensions and weight of the light are not provided
What It Is
The Glocusent Horizontal ET-head Amber Book Light is a clip-on reading light designed specifically for horizontal book reading. According to the brand, it features a horizontal light bar that spreads illumination evenly across both pages, and its amber LED mode operates at 1800K to block 99.99% of blue light. The light uses 9 advanced LED beads with a CRI of 95 for vivid, true-to-life colors.
Key Features as Published
- Amber Eye-Caring Light: 1800K color temperature with 99.99% blue light blocking to reduce eye strain.
- Horizontal Light Bar: Designed to evenly illuminate book pages, especially for reading in landscape orientation.
- High CRI 95: 9 LED beads deliver accurate color rendering for a vivid reading experience.
- Clip-On Mount: Mini clip-on design for easy attachment to books, e-readers, or tablets (per product tags).
Size, Power & Compatibility
The brand does not state the exact dimensions, weight, battery type, or charging method for this model. Compatibility details beyond clip-on mounting are also not provided. Based on the tag ‘All Recommended’, it is suggested for general use. Check the product page for any updated specifications.
Before You Buy
Glocusent offers a 30-day money-back promises for undamaged products returned with original packaging and accessories. Additionally, you can register your purchase to extend the warranty to 36 months, according to the brand. Shipping is available to the US, Europe, Japan, and Australia with standard delivery estimated at 3–5 business days (free for multi-item orders).
Frequently asked questions
What is the color temperature of the amber mode?
The amber mode operates at 1800K, according to Glocusent.
Does it block blue light?
Yes, the brand states it blocks 99.99% of blue light in amber mode.
What is the CRI of this book light?
The color rendering index is 95, which means colors appear vivid and true-to-life.
How is it mounted?
It is a clip-on mini light, as indicated by the product tags. You can attach it to books, e-readers, or other flat surfaces.
What warranty does Glocusent offer?
The brand provides a 30-day money-back promises. You can also register your product for an extended 36-month warranty, per the brand’s published policy.





