1. Introduction
The OSRAM LEDguardian Road Flare Signal TA20 (LEDSL104) is a rechargeable magnetic LED warning light designed to enhance safety during emergency situations on the road. This device provides a highly visible warning signal to other road users, helping to prevent accidents in the event of a vehicle breakdown or accident.
It features a 360-degree visible orange flashing light, a compact design for easy storage, and magnetic mounting for quick attachment to a vehicle. The integrated Li-Ion battery is rechargeable via USB-C.

Image 1.1: The OSRAM LEDguardian Road Flare Signal TA20 and its retail packaging.
2. Safety Instructions
- Always ensure the device is fully charged before long journeys to guarantee functionality when needed.
- Mount the warning light securely to a clean, flat metallic surface on your vehicle, such as the roof, to ensure maximum visibility and prevent detachment.
- Do not use the device as a substitute for mandatory warning triangles or other safety equipment required by local traffic laws. It is intended as an additional warning measure.
- Observe all local and national traffic regulations regarding the use of warning lights. Regulations may vary by country. For example, in Germany, it is approved according to §53(a) TA20 StVZO for use in addition to a warning triangle.
- Keep the device away from children.
- Do not attempt to open, modify, or repair the device. Refer to qualified personnel for service.
- Avoid direct eye exposure to the LED light.
3. What's in the Box
Verify that all items are present in the package:
- 1x OSRAM LEDguardian Road Flare Signal TA20 (LEDSL104)
- 1x USB-C Charging Cable (80cm)
- 1x Instruction Manual (this document)
4. Setup and Charging
4.1 Initial Charge
Before first use, fully charge the device. The integrated 5200mAh Li-Ion battery provides up to 15 hours of operation on a full charge.
- Locate the USB-C charging port on the device.
- Connect the provided 80cm USB-C charging cable to the device.
- Connect the other end of the USB-C cable to a compatible USB power source (e.g., car charger, wall adapter, computer USB port).
- The charging indicator light will illuminate during charging and change color or turn off when fully charged (refer to device for specific indicator behavior).
4.2 Storage
Store the LEDguardian Road Flare Signal TA20 in an easily accessible location within your vehicle, such as the glove compartment or a side pocket, to ensure quick deployment in an emergency.
5. Operating Instructions
5.1 Activating the Warning Light
- To turn on the warning light, press the power button located on the top of the device.
- The device will emit a bright orange 360-degree flashing light.
- To turn off the warning light, press the power button again.

Image 5.1: Activating the warning light by pressing the top button.
5.2 Magnetic Mounting
The LEDguardian Road Flare Signal TA20 features a strong magnetic base for secure attachment to metallic surfaces.
- Ensure the metallic surface (e.g., vehicle roof) is clean and free of debris to ensure optimal magnetic adhesion.
- Place the magnetic base of the warning light firmly onto the desired metallic surface.
- Verify that the light is securely attached before leaving it unattended. The device is designed with high wind resistance (up to 210 N/m).

Image 5.2: Securely attaching the warning light to a vehicle roof using its magnetic base.

Image 5.3: The warning light in use on a vehicle during low visibility conditions.
6. Maintenance and Care
- Cleaning: Wipe the device with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Battery Care: For optimal battery life, avoid fully discharging the device frequently. Recharge regularly, especially if stored for extended periods.
- Environmental Resistance: The device is rated IP54 for protection against dust and splashing water, and IK07 for impact resistance. While robust, avoid submerging it in water or exposing it to extreme impacts.
- Storage: Store in a cool, dry place when not in use.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Battery is discharged. | Charge the device using the provided USB-C cable. |
| Light is dim or flickers. | Low battery level. | Recharge the device. |
| Device does not attach magnetically. | Surface is not metallic or is dirty. | Ensure the surface is metallic and clean it thoroughly. |
| Charging indicator not working. | Cable or power source issue. | Try a different USB-C cable or power source. Ensure connections are secure. |
If the problem persists after attempting these solutions, please contact OSRAM customer support.
8. Technical Specifications
- Model: LEDguardian Road Flare Signal TA20
- Item Model Number: LEDSL104
- Brand: OSRAM
- Light Source: LED
- Brightness: Up to 140 Lumen
- Color Temperature: Up to 2000K (Orange light)
- Battery: 5200mAh Li-Ion (rechargeable, included)
- Charging: USB-C (80cm cable included)
- Battery Life (Operation): Up to 15 hours
- Dimensions: Approximately 3.56 x 2.89 x 3.56 inches
- Weight: Approximately 8.3 ounces
- Protection Class: IP54 (Dust and splash water resistant)
- Impact Resistance: IK07
- Wind Resistance: Up to 210 N/m
- Approval: Approved according to §53(a) TA20 StVZO (Germany)
9. Warranty and Support
9.1 Warranty Information
OSRAM offers a 2-year guarantee on the LEDguardian Road Flare Signal TA20 (LEDSL104) from the date of purchase. This warranty covers manufacturing defects under normal use. Please retain your proof of purchase for warranty claims.
The warranty does not cover damage resulting from misuse, accidents, unauthorized modifications, or normal wear and tear.
9.2 Customer Support
For technical assistance, warranty claims, or further inquiries, please visit the official OSRAM website or contact their customer service department. Contact details can typically be found on the OSRAM website or product packaging.
You can find more information and support at the OSRAM Store on Amazon.





