Introducció
This instruction manual provides essential information for the safe and effective use of your SIGMA Buster 400 front light and Buster RL 80 rear light set. Please read this manual thoroughly before initial use and keep it for future reference. This lighting kit is designed to enhance your visibility and illuminate your path during cycling activities.
Contingut del paquet
Before proceeding with the setup, please ensure all components are present in your package:
- Llum frontal BUSTER 400
- BUSTER RL 80 Rear Light
- Mounting Brackets (for both lights)
- Cable de càrrega USB-C

Figura 1: Contents of the SIGMA Buster 400 / RL 80 Set package, including both lights, their respective mounts, and the USB-C charging cable.
Configuració i instal·lació
Carregant els llums
Both the BUSTER 400 and BUSTER RL 80 lights are equipped with rechargeable batteries. Before first use, fully charge both lights using the provided USB-C cable.
- Connecteu l'extrem USB-C del cable al port de càrrega del llum.
- Connect the USB-A end of the cable to a standard USB power source (e.g., computer, USB wall adapter).
- The battery indicator LEDs will show charging progress. Once fully charged, the LEDs will indicate a full charge.

Figura 2: Both the BUSTER 400 front light and BUSTER RL 80 rear light can be conveniently charged via USB-C.
Mounting the Front Light (BUSTER 400)
The BUSTER 400 front light comes with a flexible silicone mount for handlebar attachment. Optional accessories like a helmet bracket or a Butler adapter are available for alternative mounting positions.
- Muntatge del manillar: Secure the silicone strap around your handlebar, ensuring the light is centered and points forward.
- Helmet Bracket (Optional): Attach the helmet bracket to your helmet and then slide the BUSTER 400 onto the bracket.
- Butler Adapter (Optional): Use this adapter to mount the light below your bike computer for a cleaner cockpit setup.

Figura 3: The BUSTER 400 can be mounted on a helmet using an optional helmet bracket for improved visibility from a higher position.

Figura 4: An optional Butler adapter allows for mounting the BUSTER 400 beneath a bike computer, optimizing handlebar space.
Mounting the Rear Light (BUSTER RL 80)
The BUSTER RL 80 rear light also uses a flexible silicone strap for seat post attachment.
- Secure the silicone strap around your seat post, ensuring the light is positioned vertically and clearly visible from the rear.
Instruccions de funcionament
Encès/apagat i selecció de mode
Both lights feature a single button for operation.
- Encès: Press and hold the button for approximately 1 second to turn the light on.
- Mode Cycle: Briefly press the button to cycle through the available light modes.
- Apagar: Press and hold the button for approximately 1 second to turn the light off.
- Indicador de bateria: A quick single press of the button when the light is off will display the current battery level.
BUSTER 400 Front Light Modes
The BUSTER 400 offers five light modes with varying brightness and runtimes:
- Alt: 400 lumens, up to 2 hours runtime
- Mitjà: 200 lumens, up to 4 hours runtime
- Baix: 100 lumens, up to 9 hours runtime
- Parpelleig nocturn: 300/100 lumens, up to 5 hours runtime
- Dia intermitent: 100 lumens, up to 25 hours runtime

Figura 5: Acabatview of the BUSTER 400 front light's five operational modes and their approximate runtimes.
BUSTER RL 80 Rear Light Modes
The BUSTER RL 80 provides five modes for rear visibility:
- Alt: 25 lumens, up to 2 hours runtime
- Baix: 5 lumens, up to 7 hours runtime
- Dia intermitent: 80 lumens, up to 4.5 hours runtime
- Parpelleig nocturn: 15 lumens, up to 6.5 hours runtime
- Eco Flashing: 5 lumens, up to 12 hours runtime

Figura 6: Acabatview of the BUSTER RL 80 rear light's five operational modes and their approximate runtimes.
Manteniment
Neteja
To maintain optimal performance and appearance, clean your lights regularly.
- Netegeu els llums amb un drap suauamp tela.
- Do not use abrasive cleaners or solvents, as these can damage the housing or lens.
- Ensure the charging port cover is securely closed to prevent water ingress.
Resistència a l'aigua
Both lights are designed to be splash resistant (IPX4 rated), meaning they are protected against splashing water from any direction. They are not intended for submersion.

Figura 7: The SIGMA Buster 400 and RL 80 lights are splash resistant (IPX4), suitable for use in various weather conditions.
Cura de la bateria
- Charge the batteries regularly, even if the lights are not in frequent use, to prolong battery life.
- Eviteu esgotar completament la bateria abans de tornar-la a carregar.
- Store the lights in a cool, dry place when not in use for extended periods.
Resolució de problemes
If you encounter issues with your SIGMA Buster lights, refer to the following common problems and solutions:
| Problema | Causa possible | Solució |
|---|---|---|
| La llum no s'encén | La bateria s’ha esgotat | Charge the light fully using the USB-C cable. |
| La llum s'apaga de manera inesperada | Bateria baixa | Recarrega la llum. |
| Light modes are not cycling | Button malfunction or temporary software glitch | Ensure the button is pressed firmly. Try resetting the light by holding the button for 10 seconds or allowing the battery to fully discharge and then recharge. |
| La càrrega no funciona | Faulty cable or power source; dirty charging port | Try a different USB-C cable and power source. Clean the charging port gently. |
If the problem persists after attempting these solutions, please contact SIGMA customer support or your retailer for further assistance.
Especificacions
| Característica | Especificació |
|---|---|
| Número de model | 19630 |
| Marca | SIGMA |
| Material | Plàstic |
| Font d'alimentació | Alimentat per bateria (1 bateria de liti-ió inclosa) |
| Pes | 226 Grams (total for set) |
| Nivell de resistència a l'aigua | IPX4 (resistent a esquitxades) |
| Front Light (BUSTER 400) Lumens | 400 lm (màx.) |
| Front Light Beam Range | 120 metres |
| Rear Light (BUSTER RL 80) Lumens | 80 lm (màx.) |
| Rear Light Visibility Range | 1500 metres |
| Nombre de modes de llum | 5 (each light) |
| Port de càrrega | USB-C |
Garantia i Suport
Informació de la garantia
The SIGMA Buster 400 / RL 80 Set comes with a 2-year warranty for spare parts availability, indicating manufacturer support for product longevity. Please retain your proof of purchase for warranty claims.
Atenció al client
For technical assistance, warranty claims, or general inquiries, please contact your retailer or visit the official SIGMA weblloc web per a recursos de suport i informació de contacte.





