Monotremp MT538 Book Light
INTRODUCTION
For those who enjoy reading before bed, the Monotremp MT538 Book Light is a small, rechargeable reading aid. This book lamp, which was introduced in 2024 and is made in China, lets customers personalize their reading experience with three brightness settings and three color temperatures. The MT538 is perfect for books, e-books, and tablets because of its lightweight design (1.3 oz) and flexible metal gooseneck, which guarantee easy positioning and a firm grasp. Its USB-rechargeable feature allows you to power it up in just 1.5 hours, and its long-lasting battery lasts up to 80 hours on a single charge. In addition to providing a firm grip, the clip-on design’s soft, non-slip sponge guards against book page damage. The MT538 is a great option for readers looking for a portable, practical, and aesthetically pleasing light source for reading at night because it is reasonably priced at $7.99.
SPECIFICATIONS
| Product Name | Monotremp MT538 Book Light |
| Price | $7.99 |
| Base Material | Metal |
| Product Dimensions | 2.7″D x 1.3″W x 7.5″H |
| Item Weight | 37 grams (1.3 oz) |
| Lamp Type | Reading Light |
| Light Source Type | LED |
| Shade Color | Black |
| Brightness & Modes | 3 Brightness Levels × 3 Color Temperatures |
| Battery Type | 1 Lithium-Ion battery (included) |
| Battery Life | 4 – 80 hours depending on brightness setting |
| Charging Time | 1.5 hours (Micro USB) |
| Clip Opening | 1.2 inches (padded with soft sponge) |
| Gooseneck | Flexible, metal for durability |
| Connectivity Technology | USB |
| Controller Type | Push Button |
| Included Components | Book Light, USB Charging Cable, User Manual |
| Is Waterproof | No |
| Country of Origin | China |
| Item Model Number | MT538 |
FEATURES
- Three Brightness Settings: Three levels of brightness to accommodate various reading situations.
- Long Battery Life: Runs up to 80 hours on a single charge, depending on brightness settings.
- Fast Charging: Fully recharges in just 1.5 hours using the provided micro USB connector.
- Lightweight Design: Weighs only 1.3 oz, making it easy to clip onto books without adding bulk.
- Flexible Gooseneck: 360-degree adjustable metal gooseneck for precise light direction.
- Sturdy Metal Construction: Durable metal gooseneck with a lightweight plastic lamp head and clip.
- Wide Clamp Opening: Opens up to 1.2 inches, fitting books, tablets, e-readers, and thin surfaces.
- Soft Padded Clip: Non-slip sponge padding protects book pages from damage.
- Eye Comfort: LED light source provides uniform, flicker-free illumination.
- Travel-Friendly & Compact: Foldable design makes it easy to store and transport.
- USB Rechargeable: No need for disposable batteries; includes a USB charging cable.
- Private Reading Mode: Lower brightness allows late-night reading without disturbing others.
- Energy Efficient: LED technology provides bright light with minimal power consumption.
- Push-Button Control: Single button adjusts brightness and color temperature.
- Versatile Use: Ideal for reading, traveling, office work, and as a nightlight.
SETUP GUIDE
- Unpack the Light: Ensure all components, including the USB charging cable and instruction manual, are included.
- Charge Before Using: Fully charge the light in approximately 1.5 hours using the USB cable.
- Turn On the Light: Press the button once to power on.
- Adjust Brightness: Press the button multiple times to cycle through brightness levels.
- Alternate Color Temperature: Long-press the button to switch between warm, neutral, and cool lighting.
- Attach with Clip: Open the 1.2-inch clamp and fasten it to a book, table, or e-reader.
- Adjust Light Position: Use the flexible gooseneck to direct the light where needed.
- Recharge as Needed: If the light dims, recharge using a USB cable.
- Use as a Nightlight: Set to a low brightness and place on a bedside table.
- Avoid Overcharging: Unplug once fully charged to extend battery life.
- Use with an E-Reader: Clip onto a Kindle, iPad, or tablet for reading in low light.
- Steer Clear of Direct Eye Exposure: Avoid shining the light directly into your eyes.
- Fold for Storage: The flexible gooseneck allows compact storage.
- Use While Traveling: Carry in your bag for use in trains, planes, and hotel rooms.
- Turn Off After Use: Press the button to conserve battery life.
CARE & MAINTENANCE
- Frequent Charging: Charge at least once a month if not in regular use.
- Use a Soft Cloth to Clean: Wipe the lamp head and gooseneck with a dry or slightly damp cloth.
- Avoid Water Exposure: This book light is not waterproof.
- Avoid Overbending the Gooseneck: Excessive bending may weaken the metal structure.
- Store in a Cool, Dry Place: Keep away from heat and moisture.
- Maintain a Clean USB Port: Dust or debris can interfere with charging efficiency.
- Use Suggested Chargers: Use only a 5V USB charger to prevent damage.
- Prevent Battery Drain: Recharge before the battery is fully depleted.
- Check for Loose Connections: Ensure the USB port and battery connections are secure if flickering occurs.
- Handle the Clip Carefully: Avoid excessive force when opening the clip.
- Avoid Dropping the Light: Plastic components may break upon impact.
- Turn Off When Not in Use: Prevents accidental activation and extends battery life.
- Keep Out of Children’s Reach: Small parts may pose a choking hazard.
- Avoid Extreme Cold: Low temperatures can affect battery performance.
- Replace Battery if Needed: Purchase a new battery from the manufacturer if necessary.
TROUBLESHOOTING
| Issue | Possible Cause | Solution |
|---|---|---|
| Light not turning on | Battery is drained | Recharge using the included USB cable. |
| Dim light output | Low brightness setting | Adjust brightness levels. |
| Light flickering | Loose connection or low battery | Ensure the USB cable is properly connected or recharge. |
| Won’t clip onto book properly | Clip too small for book thickness | Use with thinner books or adjust the placement. |
| Light doesn’t stay in position | Weak gooseneck positioning | Bend the metal gooseneck firmly for stability. |
| Not charging | Faulty USB cable or port | Try a different USB port or cable. |
| Overheating issue | Extended use at high brightness | Reduce brightness or let it cool down. |
| Short battery life | Battery not fully charged | Charge fully before use. |
| Color temperature not changing | Button not responding | Press the mode button firmly or reset. |
| Light won’t turn off automatically | No auto-timer feature | Manually turn off using the power button. |
PROS & CONS
Pros:
- Customizable brightness and color temperature for a comfortable reading experience.
- Ultra-lightweight (1.3 oz) and foldable design for easy travel.
- Long-lasting battery life of up to 80 hours per charge.
- Flexible metal gooseneck for precise lighting angles.
- Soft, non-slip clip prevents damage to book pages and e-books.
Cons:
- Not waterproof, limiting outdoor use.
- Clip opens only 1.2 inches, which may not fit thicker books.
- Only one LED light source, limiting brightness range.
- Requires a USB cable for charging, not wireless.
- No auto-dimming or timer function.
WARRANTY
The Monotremp MT538 Book Light comes with a 1-year manufacturer’s warranty covering defects in materials and craftsmanship. If the product malfunctions within the warranty period, Monotremp offers a replacement or refund. Accidental damage, misuse, and battery wear are not covered under warranty.
FREQUENTLY ASKED QUESTIONS
What are the available brightness levels of the Monotremp MT538 Book Light?
The Monotremp MT538 features 3 brightness levels that you can adjust to suit your reading needs.
What color temperature options does the Monotremp MT538 offer?
This book light provides 3 color temperatures: warm, natural, and cool light.
How long does the battery last on a full charge?
Depending on brightness settings, the Monotremp MT538 Book Light lasts between 4 to 80 hours on a full charge.
How long does it take to fully charge the Monotremp MT538?
It takes approximately 1.5 hours to fully recharge the battery using the included micro USB cable.
Why is my Monotremp MT538 Book Light not turning on?
Ensure the battery is charged. Try using a different USB cable and charging adapter. If the issue persists, reset the book light by leaving it unplugged for a few hours.
Why does my Monotremp MT538 turn off automatically?
This could be due to low battery power. Recharge the device and check if it stays on longer.
Why is my Monotremp MT538 Book Light flickering?
Flickering can be caused by a loose connection in the charging port or low battery. Try recharging the device or adjusting the gooseneck to see if the issue persists.