1. Introduction
The KEVANLY D5 Music Rhythm Light is a USB-powered decorative ornament designed to enhance the ambiance of your car interior or desktop. Featuring an LCD HD display and sound-activated pointer movement, it responds to music and ambient sounds, creating a dynamic visual experience. Its compact design allows for versatile placement without obstructing space.
2. Safety & Warnings
Please read all instructions carefully before using this product. Failure to follow these instructions may result in damage to the product or personal injury.
- Keep the device and its cord out of reach of children under 3 years old.
- Children should be supervised by an adult when near the product.
- Do not use this product for purposes other than its intended decorative use.
- Inspect the product before each use; do not use if damaged.
- Follow installation and operation guidelines to avoid injury.
- Do not expose to water or moisture.
- Handle with care to avoid cuts or injuries.
- For in-vehicle use, ensure the ornament does not obstruct the driver's view or interfere with vehicle operation.
3. Product Specifications
| Feature | Detail |
|---|---|
| Product Name | Pendulum Rhythm Light Ornament / Car Music Rhythm Light |
| Model | D5 |
| Brand Name | KEVANLY |
| Item Type | Atmosphere lamp |
| Power Supply Mode | Plug-in type (USB) |
| Input Voltage | 5V |
| Input Current | 0.5-1A |
| Material | Acrylic + Metal construction |
| Control | SWITCH / M KEY (Adjustment keys) |
| Emitting Color Options | Red, Yellow (main styles) |
| Product Feature | Cool lighting enhances overall atmosphere, sound-activated pointer movement, LCD HD display, intelligent noise filtering, RGB full color. |
| Dimensions (Product) | 8.88 cm (3.49 in) width, 8.23 cm (3.24 in) depth, 7.76 cm (3.05 in) height |
| Dimensions (Package) | 10.53 cm (4.14 in) length, 9.15 cm (3.60 in) width, 9.12 cm (3.59 in) height |



4. Installation & Power Supply
Follow these steps to install and power your Music Rhythm Light:
- Prepare the Surface: Clean the intended placement area (e.g., car dashboard, desktop) thoroughly. Wipe away any grease and dust, ensuring the surface is dry and level.
- Position the Ornament: Place the light on a stable surface. If installing in a vehicle, ensure it does not obstruct the driver's view or interfere with vehicle operation, and keep it clear of airbags and ventilation outlets.
- Secure Placement: The device features a double-sided tape design for secure attachment. Tear off the protective film from the double-sided tape on the base of the light.
- Attach the Light: Fix the light firmly at the desired position, such as close to the glass on the dashboard.
- Connect Power: Plug one end of the USB power cable into the light's port and the other end into a 5V USB power source (e.g., car charger, power bank, USB wall adapter).
- Hide Wiring: Carefully tuck the USB wire into gaps or along edges to keep it neat and out of the way.
- Power On: The device will automatically activate once connected to a power source.


5. Operating Instructions
The KEVANLY D5 Music Rhythm Light is designed for ease of use with minimal manual intervention.
Automatic Rhythm Response
Once powered on, the pointer will automatically oscillate in response to ambient sounds and music rhythms. No manual adjustment is needed for this core function.
Mode Adjustment
The device features two main adjustment modes controlled by the 'SWITCH' and 'M' keys:
- SWITCH Button (Sensitivity): Press the SWITCH button to adjust the sensitivity of the light. Each press will cycle through different sensitivity levels, indicated by the light flashing in various colors (Blue, Green, Yellow, Red, White). The sensitivity can be adjusted from high to low.
- M Key (Background Light): Click the 'M' key to switch the background light color. Available colors include: Colorful Gradient, Green, Yellow, Red, Blue, Purple, White, Ice Blue, and Pink. This allows you to choose between a monochrome loop mode or a seven-color gradient mode.



6. Maintenance
- Cleaning: Regularly wipe dust from the lamp surface with a soft, dry cloth to maintain optimal sensing performance and clarity of the display. Do not use abrasive cleaners or solvents.
- Storage: When not in use for extended periods, disconnect the power supply and store the device in a dry, dust-free location.
- Handling: Avoid forceful contact or dropping the light to prevent damage to the sensor or internal components. Keep sharp objects away from the ornament's casing to avoid scratches.
7. Troubleshooting
If you encounter issues with your KEVANLY D5 Music Rhythm Light, please consider the following:
- Light not turning on: Ensure the USB cable is securely connected to both the device and a functional 5V USB power source. Check if the power source is active.
- Pointer not moving or erratic: Verify that the device is receiving sufficient sound input. Adjust the sensitivity using the SWITCH button. Ensure the microphone hole (sensitive radio) is not obstructed or dusty.
- Incorrect colors or modes: Use the 'M' key to cycle through the desired background light colors and modes.
- Interference: If experiencing unexpected behavior, try moving the device away from other electronic devices that might cause electromagnetic interference.
For persistent issues, please refer to the official user manual PDF or contact customer support.
8. User Tips
While no specific user reviews or Q&A were provided for this manual, here are some general tips for optimizing your experience:
- Optimal Placement: Experiment with different placements in your car or on your desk to find the best visual effect and sound responsiveness. Consider placing it near speakers for enhanced rhythm detection.
- Power Source: For in-car use, a dedicated USB car charger is recommended for stable power. Remember to unplug it when the car is off to prevent battery drain.
- Ambiance Matching: Utilize the various color modes to match your mood, music genre, or car interior lighting for a cohesive aesthetic.
- Cable Management: Use cable clips or ties to neatly secure the USB power cable, especially in a vehicle, to prevent it from becoming a distraction or hazard.
9. Frequently Asked Questions (FAQ)
No specific FAQ content was provided for this manual. However, here are answers to common questions about similar products:
- Q: Is this device battery-powered?
- A: No, the KEVANLY D5 is USB-powered and requires a constant 5V power source to operate.
- Q: Can I use this outdoors?
- A: This product is designed for indoor or in-vehicle use and is not waterproof. Avoid exposure to water or moisture.
- Q: How do I change the colors?
- A: Use the 'M' key on the device to cycle through the available background light colors and modes.
10. Compliance Information
This product complies with the following EU directives:
- EU RoHS (Restriction of Hazardous Substances)
- REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) environmental directives
- LVD 2014/35/EU (Low-Voltage Electrical Regulations)
- EMC 2014/30/EU (Electromagnetic Compatibility Regulations)
It is suitable for use in the EU market.
Warning: For decorative use only inside the vehicle. Do not obstruct the driver's view or interfere with vehicle operation. This is not a professional audio accessory and is intended solely for ambiance decoration.
A detailed user manual in PDF format is available for download: User manual (PDF).
11. Warranty and Support
For warranty information, technical support, or any product-related inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
Manufacturer: Guangzhou Kejie Trading Co., Room 302, No. 10, Ou Gang North Street, Ke Mu Long West Road, Tianhe District, Guangzhou City, Guangdong Province, China.
EU Authorized Representative: SUCCESS COURIER SL, Calle de RIO TORMES 13A, oficina 1, Fuenlabrada, Madrid, 28947 Spain.