1. Introdução
Thank you for choosing the ROCKBROS RHL400 Front Light. This manual provides essential information for the safe and effective use of your bicycle headlight. Please read it thoroughly before operation and retain it for future reference.
2. Conteúdo da embalagem
Verifique se todos os itens estão presentes na embalagem:
- 1 x Luz dianteira para bicicleta ROCKBROS RHL400
- 1 x cabo de carregamento USB (tipo-C)
- 1 x Suporte de Montagem do Guidão
- 1 x Elástico para Montagem
- 1 x Manual de Instruções
3. Informações de segurança
- Do not look directly into the light beam: The high intensity light can cause temporary vision impairment or eye damage.
- Montagem segura: Ensure the light is securely mounted to prevent it from falling off during riding.
- Resistência à água: The light is IPX6 waterproof. This means it is protected against high-pressure water jets from any direction. It is not designed for submersion. Always ensure the USB charging port cover is securely closed to maintain water resistance.
- Carregamento: Use only the provided USB cable or a certified Type-C cable for charging. Do not attempt to charge with damaged cables or chargers.
- Temperatura: Avoid exposing the light to extreme temperatures.
- Desmontagem: Não tente desmontar ou modificar a luminária. Isso anulará a garantia e poderá causar danos ou ferimentos.
4. Recursos do Produto
- Alto Brilho: 400 Lumens output for clear visibility.
- Bateria recarregável: Built-in 2000mAh lithium battery, rechargeable via Type-C USB.
- Impermeável: IPX6 rated for reliable performance in various weather conditions.
- Construção durável: Made from aluminum alloy for enhanced durability and wear resistance.
- Vários modos de luz: Four modes including High, Medium, Low, and Burst Flashing.
- Modo de Memória: The light remembers the last used mode when turned on again.
- Compacto e leve: Product size 4.06 x 1.34 x 0.91 inches, weight 104g (0.23 lbs).
- Fácil instalação: Upgraded silicone mounting bracket for quick attachment and detachment.

Figure 4.1: Product components and features.
5. Configuração
5.1 Montagem da luminária
- Select a suitable position on your bicycle handlebar.
- Attach the silicone mounting bracket to the handlebar using the provided rubber bands. Ensure it is tight and stable.
- Slide the ROCKBROS RHL400 front light onto the mounting bracket until it clicks securely into place.
- Adjust the angle of the light to ensure optimal illumination of the path ahead without blinding oncoming traffic.
5.2 Carregamento Inicial
Before first use, fully charge the light.
- Locate the Type-C USB charging port on the light, usually covered by a rubber flap.
- Open the rubber flap and insert the provided Type-C USB cable.
- Connect the other end of the USB cable to a USB power source (e.g., computer, wall adapter, power bank).
- The indicator light on the device will show charging status (e.g., red for charging, green for fully charged).
- Once fully charged, disconnect the cable and securely close the rubber flap to maintain IPX6 water resistance.

Figure 5.1: Charging the RHL400 Front Light.
6. Instruções de operação
6.1 Ligar/desligar
- Para acender a luz ON: Press and hold the power button for approximately 1.5 seconds.
- Para acender a luz DESLIGADO: Press and hold the power button for approximately 1.5 seconds.
6.2 Alterando os modos de luz
- Once the light is ON, a single short press of the power button will cycle through the four available modes: High Light → Medium Light → Low Light → Burst Flashing.
- The light features a memory mode, meaning it will power on in the last used mode.
6.3 Indicador de bateria
The indicator light on the device provides information about the battery status:
- Verde sólido: A bateria está suficientemente carregada.
- Vermelho sólido: A bateria está fraca e precisa ser carregada.
- Vermelho piscando: A bateria está criticamente fraca.

Figure 6.1: Visibility provided by the 400 Lumens light.
7. Manutenção
- Limpeza: Limpe a pele clara com um pano macio e seco.amp pano. Não use produtos de limpeza abrasivos ou solventes.
- Porta de carregamento: Always ensure the Type-C USB charging port cover is securely closed when not charging to prevent water and dust ingress.
- Armazenar: Store the light in a cool, dry place when not in use. For long-term storage, charge the battery to approximately 50% every 3-6 months to prolong battery life.
- Cuidados com a bateria: Evite descarregar completamente a bateria com frequência, pois isso pode reduzir sua vida útil.

Figure 7.1: IPX6 waterproof design. Ensure USB plug is closed.
8. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| A luz não acende. | A bateria está esgotada. | Carregue a lanterna completamente. |
| O botão liga/desliga não foi pressionado por tempo suficiente. | Pressione e segure o botão liga/desliga por 1.5 segundos. | |
| A luz não carrega. | O cabo de carregamento ou o adaptador está com defeito. | Try a different Type-C USB cable and/or power adapter. |
| A porta de carregamento está suja ou danificada. | Gently clean the port. If damaged, contact support. | |
| A luz diminui durante o percurso. | Mounting bracket not secured properly. | Re-secure the mounting bracket and ensure the light is clicked into place. |
| Entrada de água. | USB port cover not closed. | Always ensure the USB port cover is tightly sealed after charging. |
9. Especificações
| Recurso | Especificação |
|---|---|
| Marca | ROCKBROS |
| Modelo | RHL400 |
| Material | Liga de alumínio |
| Saída de luz | 400 lúmens (máximo) |
| Capacidade da bateria | Bateria de lítio de 2000mAh |
| Porta de carregamento | USB Tipo C |
| Classificação à prova d'água | IPX6 |
| Tempo de execução | Até 8 horas (dependendo do modo) |
| Dimensões | 4.06 x 1.34 x 0.91 polegadas (10.3 x 3.4 x 2.3 cm) |
| Peso | 104 g (0.23 lbs) |
| Tipo de montagem | Handlebar Mount (Silicone Strap) |
| Modos de luz | 4 (Alto, Médio, Baixo, Intermitente em Rajadas) |
10. Garantia e Suporte
The ROCKBROS RHL400 Front Light is guaranteed for 1 ano from the date of purchase against defects in materials and workmanship. This warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
For warranty claims or technical support, please contact your retailer or ROCKBROS customer service through their official website or contact channels. Please have your proof of purchase ready.