1. Introducció
Thank you for choosing the ISEYOU Bike Tail Light. This manual provides essential information for the proper setup, operation, and maintenance of your new bike tail lights. Designed for enhanced visibility and safety, these lights are lightweight, portable, and built to withstand various weather conditions. Please read this manual thoroughly before use to ensure optimal performance and longevity of your product.

Image: Two ISEYOU Q8 Bike Tail Lights, highlighting their compact and waterproof design.
2. Contingut del paquet
Si us plau, verifiqueu que tots els elements que s'enumeren a continuació estiguin inclosos al vostre paquet:
- 2 x Bike Tail Light (Red)
- 4 corretges de muntatge de silicona
- 1 x USB Cables (Type-C)
- 1 x Manual d'usuari

Image: All components included in the ISEYOU Bike Tail Light package.
3. Especificacions
| Característica | Detall |
|---|---|
| Número de model | Q8 |
| Color | Vermell |
| Material | Estirol acrilonitril butadiè |
| Font d'alimentació | Alimentat per bateria (recarregable per USB) |
| Nivell de resistència a l'aigua | Impermeable IP65 |
| Pes de l'article | 24 grams (aproximadament 0.847 unces) |
| Tipus de muntatge | Handlebar Mount (versatile for seat posts, backpacks, helmets) |
| Dimensions del producte | 2.04 cm de llargada x 0.66 cm d'amplada x 1.41 cm d'alçada |
| Number of Light Modes | 6 |
| Visibilitat | 220° wide-angle beam, up to 200 meters |
| Temps de càrrega | Aprox. 1.5 hores |
| Durada de la bateria | 5-28 hores (segons el mode) |
4. Informació de seguretat
- Always ensure the light is securely mounted before riding.
- No mireu directament el feix de llum per evitar lesions oculars.
- Mantingueu el dispositiu allunyat de temperatures extremes i de la llum solar directa.
- Do not attempt to disassemble or modify the light, as this will void the warranty and may cause damage.
- While IP65 waterproof, avoid prolonged submersion in water.
- Charge the battery using the provided USB cable and a compatible power source (e.g., computer, power bank, charging plug).
5. Configuració
5.1. Instal·lació
The ISEYOU Bike Tail Light features an easy, tool-free installation process using the provided silicone mounting straps. It can be attached to various locations for optimal visibility.
- Select a suitable mounting location such as your bike's seat post, handlebars, helmet, or backpack.
- Wrap the silicone strap around the desired mounting point.
- Hook the light onto the strap's grooves, ensuring it is firmly secured and facing the correct direction (rearward for tail light).

Image: Step-by-step guide for easy and secure installation of the tail light.

Imatge: Examples of versatile mounting options for the tail light.
5.2. Carregant la bateria
The light is equipped with a built-in rechargeable battery. Use the provided USB-C cable for charging.
- Connect the USB-C end of the cable to the charging port on the light.
- Connect the USB-A end of the cable to a USB power source (e.g., computer, power bank, wall adapter).
- During charging, the indicator light will flash green.
- Once fully charged (approximately 1.5 hours), the indicator light will turn solid green.
- Disconnect the light from the charging cable once fully charged to preserve battery life.

Image: Illustrates the USB-C fast charging process for the tail lights.
6. Instruccions de funcionament
6.1. Encendre/apagar
To turn the light on or off, press and hold the power button located on the top of the light for approximately 2 seconds.
6.2. Canviar els modes de llum
Once the light is on, short press the power button to cycle through the 6 available lighting modes:
- High Light: Màxima brillantor per a una visibilitat clara.
- Medium Light: Balanced brightness for general use.
- Llum baixa: Extended battery life, suitable for less demanding conditions.
- Flaix lent: A steady, slow flashing pattern for attention.
- Warning Flash: A more rapid flashing pattern for increased warning.
- Strobe Flash: A fast, intermittent flash for high visibility in critical situations.
The light features a memory function, meaning it will remember the last used mode when turned back on.

Imatge: Més deview of the six powerful light modes available.
7. Manteniment
- Neteja: Netegeu la llum amb un suau, damp drap per eliminar la brutícia i les restes. No utilitzeu productes de neteja abrasius ni dissolvents.
- Emmagatzematge: Store the light in a cool, dry place when not in use. If storing for an extended period, charge the battery to about 50% every 3-6 months to maintain battery health.
- Cura de la bateria: Eviteu descarregar completament la bateria amb freqüència. Torneu-la a carregar immediatament quan aparegui l'indicador de bateria baixa.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La llum no s’encén. | La bateria està esgotada. | Carregueu la llum completament. |
| Botó d'engegada no premut correctament. | Manteniu premut el botó d'encesa durant 2 segons. | |
| La llum no carrega. | Cable o adaptador de càrrega defectuós. | Proveu un cable USB-C o un adaptador d'alimentació diferent. |
| Charging port is dirty. | Gently clean the charging port with a dry, soft brush. | |
| La llum és tènue o parpelleja. | Bateria baixa. | Recarrega la llum. |
| La llum cau durant el trajecte. | Instal·lació incorrecta. | Ensure the silicone strap is tightly secured and the light is properly hooked. |
9. Garantia i Suport
The ISEYOU Bike Tail Light is designed for durability and performance. For any product-related inquiries, technical support, or warranty claims, please contact ISEYOU customer service through the retailer's platform or the official ISEYOU website. Please have your purchase details and model number (Q8) ready when contacting support.



