I. Introduction
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of your NSKOI W16W T15 LED Reverse Lights. Please read this manual carefully before installation and use to ensure proper function and safety.
II. Product Information
Product Name: Automotive Signal Light
Brand Name: NSKOI
The NSKOI W16W T15 LED Reverse Lights are designed to provide superior illumination and enhanced visibility for your vehicle's reverse lighting system. Featuring high-quality 3030-SMD LEDs and an HD projector lens, these lights offer 360° full-angle illumination and stronger light penetration. Their durable construction, including an aluminum plating body and heat-resistant base, ensures a long lifespan of over 30,000 working hours and reliable performance in various weather conditions.


III. Warnings
- Electrical Hazard: For indoor use only.
- Do not expose to rain or moisture.
- Not suitable for children under 3 years of age.
- Always disconnect power before installation to prevent electric shock.
- Unauthorized modification is prohibited, as it may compromise performance and safety.
IV. Specifications
| Feature | Detail |
|---|---|
| Product Type | Automotive Signal Light (Reverse Lights) |
| Interface Type | T15, W16W |
| Voltage | 12 V (DC12V systems only) |
| Emitting Color | White (2pcs white) |
| Light Source | High Quality 3030-SMD LED |
| Illumination Angle | 360° Full Angle |
| Lens Type | HD Projector Lens |
| Body Material | Aluminum plating body, Heat-resistant base |
| Lifespan | 30,000+ working hours |
| Dimensions (approx.) | 52mm (Length) x 12mm (Width) |
| Special Features | Built-in IC driver, No radio interference, Constant current |
| High-concerned chemical | None |
| Origin | Mainland China |

V. Setup and Installation
Installation Instructions
- Installation Location: Mount the signal light onto the corresponding lamp socket in your vehicle.
- Wiring Method: Connect the power wires correctly according to the polarity indicated by wire color coding. Ensure a secure connection.
Installation Precautions
- Avoid installing in humid environments to prevent short circuits.
- After installation, inspect for secure mounting to prevent loosening or detachment during vehicle operation.
- Handle with bare hands during installation. Avoid touching the LED chip with sharp or hard objects to prevent damage.
- Ensure the vehicle's electrical system is DC12V. Do not connect to 24V power sources to avoid burning out the LED chips.

VI. Operating Instructions
Function Test
After powering on your vehicle, press the brake pedal or activate the turn signal switch (if applicable for the specific light function) and verify that the signal light illuminates properly and consistently.
VII. Maintenance
- Cleaning: Keep the light surface clean from dirt and debris to ensure optimal light output. Use a soft, damp cloth for cleaning.
- Avoid Frequent Switching: While designed for durability, avoiding excessively frequent on/off switching can help extend the overall service life of the LED bulbs.
- Temperature: Do not touch the lamp body immediately after prolonged lighting, as it may be hot and cause burns.
- No Disassembly: Disassembly of the product is strictly prohibited and will void any warranty.
VIII. Troubleshooting
If you encounter issues with your NSKOI LED Reverse Lights, refer to the following common problems and solutions:
- Signal light does not illuminate:
- Check for poor wire connections. Ensure all connections are secure and correctly polarized.
- Inspect for burnt-out components. Although LEDs have a long lifespan, individual components can fail.
- Unstable flashing or flickering:
- This may be caused by unstable supply voltage from the vehicle's electrical system.
- Could indicate an internal malfunction of the LED bulb.
- If the light flickers or fails to illuminate, first check for secure socket contact and verify the vehicle's electrical circuit is functioning properly.
- Vehicle fails to recognize the lights after installation:
- Verify compatibility between the specific LED model (W16W T15) and your vehicle's make and model. Some vehicles may require additional resistors (CANBUS decoders) to prevent error messages or hyper-flashing, especially if the original bulbs were not LED.
Use only after troubleshooting is complete and the issue is resolved.

IX. User Tips
- Always double-check your vehicle's bulb type before purchasing to ensure perfect fitment and avoid compatibility issues.
- When replacing bulbs, consider replacing both at the same time for consistent brightness and appearance.
- If experiencing CANBUS errors (e.g., bulb-out warning on dashboard), a CANBUS-compatible LED or an external resistor might be required.
X. Compliance Information
This product complies with the following directives and regulations:
- 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)
The light brightness conforms to EU vehicle lighting standards, making it suitable for use in the EU market.
NOTE: This product must comply with all applicable safety and regulatory requirements in the market where it is sold. Sellers must assess which requirements and regulations apply based on the actual product type, function, and destination market.
XI. Warranty and Support
For detailed item guides and documents, including the full user manual in PDF format, please refer to the official product page or contact NSKOI customer support.
User Manual (PDF): View PDF
For any technical assistance, warranty claims, or further inquiries, please contact the seller or NSKOI customer service directly. Keep your purchase receipt for warranty purposes.