The Glocusent Horizontal ET-head Amber Book Light features a high CRI of 95 and an amber mode at 1800K that blocks 99.99% of blue light. Its horizontal light bar spreads illumination evenly across pages, and the clip-on design attaches securely. Based on published specs, this book light is tailored for book lovers seeking eye comfort during nighttime reading.
If you are searching for a Glocusent Horizontal ET-head Amber Book Light with CRI review, you want to know how it performs for bedtime reading. According to the brand, this clip-on book light offers an amber mode at 1800K that blocks 99.99% blue light, plus a high CRI of 95 for accurate color reproduction. The horizontal light bar is designed to illuminate pages evenly, making it a strong candidate for late-night book lovers.
Glocusent describes itself as a brand dedicated to lighting up books and life, with a catalog of over 40 book lights. This particular model (also tagged as A18) combines eye-care amber light with high-fidelity color rendering. Below we cover only what the brand has published so you can decide if it fits your reading setup.

Published specs
| Spec | As published |
|---|---|
| Color Temperature (Amber Mode) | 1800K |
| Blue Light Blockage | 99.99% in amber mode |
| CRI (Color Rendering Index) | 95 |
| Number of LED Beads | 9 |
| Light Bar Design | Horizontal ET-head |
| Mount Type | Clip-on |
| Eye Care Feature | Amber eye caring light |
| Warranty | 30-day money-back promises; extended 36-month warranty available with product registration |
Who it suits
- Bedtime readers who want to reduce blue light exposure during evening reading sessions
- Book lovers who value accurate color reproduction (CRI 95) for illustrations or text
- Anyone needing a clip-on light that spreads illumination evenly across two pages thanks to the horizontal beam
Who should skip
- Readers who require a built-in rechargeable battery (brand does not state power source or battery life)
- Those who need adjustable color temperature options beyond the amber mode (brand does not list white light or other color temperatures)
- People looking for a light with a wide beam angle or built-in timer (these features are not mentioned by the brand)
Pros
- High CRI of 95 delivers true-to-life colors on the page
- Amber mode (1800K) blocks 99.99% of blue light, reducing eye strain
- Horizontal light bar design provides even illumination across both pages
- Clip-on mount attaches easily to book covers or e-readers
Cons
- Battery life and charging method (USB or other) are not stated by the brand
- Adjustable brightness levels are not mentioned in the published specs
- Product dimensions and weight are not provided by the brand
What It Is
The Glocusent Horizontal ET-head Amber Book Light is a clip-on reading lamp designed for book lovers. According to the brand’s tags and description, it belongs to the ‘A18 Horizontal ET-head Book Light’ series and is classified as a mini clip-on light. It features an amber mode with a color temperature of 1800K that blocks 99.99% blue light, plus a high CRI of 95 for vivid, accurate colors. The horizontal light bar is intended to spread light evenly across both pages, making it suitable for reading in bed.
Key Features as Published
- Amber Eye-Caring Light: In amber mode, the color temperature is 1800K and blocks 99.99% of blue light to reduce eye strain.
- True Color Rendering: With 9 advanced LED beads and a CRI of 95, the light reproduces original colors with high fidelity.
- Horizontal Light Bar: The horizontal ET-head design spreads illumination evenly across the book pages, eliminating uneven shadows.
- Clip-On Mount: The light clips onto books or e-readers, allowing hands-free positioning.
Size, Power, and Compatibility Details as Published
Glocusent does not provide dimensions, weight, battery capacity, or charging method for this model in the published data. The product is tagged as a ‘Mini Clip On Light’, so it is likely compact, but exact size is not stated. Power source and run time are also not mentioned. The clip-on design suggests compatibility with standard books, paperbacks, and e-readers of typical thickness, though no specific compatibility details are given by the brand.
Before You Buy
Review the brand’s warranty and shipping policies before purchasing. Glocusent offers a 30-day money-back promises for undamaged products returned in original packaging. You can also register your purchase for an extended 36-month warranty. Shipping is available to the United States, Europe, Japan, and Australia; standard shipping costs apply for single-unit orders, while orders with more than one unit qualify for free standard shipping. Delivery time is estimated at 3 to 5 business days.
Frequently asked questions
What is the color temperature in amber mode?
In amber mode, the Glocusent Horizontal ET-head Book Light emits light at 1800K color temperature, which blocks 99.99% of blue light according to the brand.
Does this book light have a high CRI?
Yes, the brand states a CRI (Color Rendering Index) of 95, which means colors on the page are reproduced with high fidelity.
Is the light rechargeable or battery-operated?
The brand does not specify the power source or charging method. This information is not stated in the published product description.
What is the warranty for this product?
Glocusent offers a 30-day money-back promises for undamaged items. Additionally, you can register your product to extend the warranty to 36 months.
Can this light be used on an e-reader?
The product is a clip-on light designed for books. While the brand does not specifically list e-reader compatibility, the clip-on mount should attach to most thin devices. No exact specifications are given.





