1. Producte acabatview
The ROCKBROS Smart Tail Light TL907Q50 is a bicycle rear light designed for enhanced visibility and safety. It features an intelligent sensor system for automatic operation, a brake warning function, and a durable, waterproof construction. This manual provides detailed instructions for its proper use and maintenance.

2. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- ROCKBROS Smart Tail Light TL907Q50
- Seat Post Attachment Bracket
- Cable de càrrega USB (tipus C)
- Llave hexagonal
- Gaskets (x2)
- Manual d'instruccions
3. Especificacions
| Característica | Especificació |
|---|---|
| Número de model | TL907Q50 (also referred to as TL907Q52) |
| Marca | ROCKBROS |
| Material | Aliatge d'alumini |
| Font d'alimentació | USB recarregable |
| Capacitat de la bateria | 400 mAh |
| Classificació impermeable | IP65 |
| Tipus de muntatge | Muntatge de la tija del seient |
| Modes de llum | 4 (Flashing, Breathing Flash, Fast Flash, Constant Light) |
| Nivells de brillantor | 3 (Baix, Mig, Alt) |
| Sortida màxima | 60 lúmens |
| Diàmetre de la llum | 3.5 cm |
4. Configuració i instal·lació
The TL907Q50 is designed for easy installation on your bicycle's seat post.
- Col·loqueu el suport: Secure the seat post attachment bracket to your bicycle's seat post using the provided hex wrench. Ensure it is tightened firmly to prevent movement during rides.
- Inserir juntes: Place the appropriate gaskets (if needed for a snug fit) into the bracket.
- Mount the Tail Light: Slide the tail light onto the bracket until it clicks securely into place. Ensure the light is facing directly backward.
- Ajust d'angle: Adjust the angle of the tail light to ensure optimal visibility for following traffic.

Note: This model is specifically for seat post attachment. Other variants may support saddle rail mounting.
5. Instruccions de funcionament
The tail light features a single central button for control and intelligent automatic functions.
5.1 Encès/Apagat
- Encès: Short press the central button to turn the light on.
- Apagar: Short press the central button to turn the light off.
5.2 Light Mode Selection
With the light on, short press the central button to cycle through the 4 available light modes:
- Mode intermitent
- Breathing Flash Mode
- Mode de flaix ràpid
- Mode de llum constant
5.3 Ajust de brillantor
With the light on, long press the central button to adjust the brightness level. There are 3 levels:
- Baixa brillantor
- Brillantor mitjana
- High Brightness (Max 60lm)

5.4 Funció d'encesa/apagada automàtica
The tail light is equipped with an intelligent sensor that detects ambient light and vibration.
- Light Sensor (Daytime Mode): In bright conditions, the light will automatically turn off. In dark conditions, it will automatically turn on. This function is active only in Flashing and Breathing Flash modes during the day.
- Vibration Sensor (Nighttime Mode): If the light detects no vibration for 30 seconds, it will automatically turn off. When vibration is detected again (e.g., you start riding), it will automatically turn on. This function is active only in Flashing and Breathing Flash modes at night.

5.5 Brake Warning Function
The integrated high-sensitivity intelligent sensor chip detects braking. When braking is detected, the tail light will automatically illuminate at its maximum brightness (60lm) for approximately 3 seconds. This alerts vehicles and cyclists behind you to your deceleration, enhancing safety.

6. Càrrega
The tail light is equipped with a 400mAh rechargeable battery and uses a USB Type-C port for charging.
- Procés de càrrega: Connect the provided USB Type-C cable to the light's charging port and to a USB power source (e.g., computer, wall adapter).
- Indicador de càrrega: During charging, the indicator light will flash. Once fully charged, the indicator light will remain constant.
- Indicador de nivell de bateria: The light features a visual battery level indicator to show remaining charge (e.g., 75-100%, 50-75%, 25-50%, 0-25%). Recharge promptly when the battery level is low.

7. Manteniment
Proper maintenance ensures the longevity and optimal performance of your tail light.
- Neteja: Netegeu la llum amb un suau, damp cloth to remove dirt and dust. Do not use abrasive cleaners or solvents.
- Cura impermeable: The light is IP65 waterproof, meaning it is protected against dust and low-pressure water jets. While it can withstand rain, avoid submerging it in water. Ensure the USB port cover is securely closed when not charging to maintain waterproofing.
- Emmagatzematge: Store the light in a cool, dry place when not in use. If storing for an extended period, charge the battery periodically to maintain its health.
- Durabilitat del material: The aluminum alloy body is lightweight and robust, designed to withstand regular use.

8. Solució De Problemes
If you encounter issues with your tail light, refer to the following common solutions:
- La llum no s'encén:
- Ensure the battery is charged. Connect to a USB power source and check the charging indicator.
- Press the central button firmly.
- Automatic On/Off function not working:
- Verify that the light is in Flashing or Breathing Flash mode, as these are the modes where the automatic functions are active.
- Assegureu-vos que el sensor de llum no estigui obstruït.
- For vibration detection, ensure the bicycle is in motion.
- Light does not charge:
- Check the USB cable and power source for proper connection.
- Proveu un cable USB o un adaptador d'alimentació diferent.
- Assegureu-vos que el port de càrrega estigui net i lliure de residus.
- Brake warning not activating:
- Ensure the light is securely mounted and not loose, as this can affect sensor accuracy.
- Test the braking action to ensure a clear deceleration is detected by the sensor.
9. Precaucions de seguretat
Observe the following safety precautions for safe operation:
- Always comply with local road traffic laws and regulations regarding bicycle lighting.
- If your bicycle does not have a red reflector on the rear, use the constant light mode during nighttime riding. Flashing modes or colors other than red are considered auxiliary lights and should be used in conjunction with a red reflector.
- Do not look directly into the light when it is on, as it can cause temporary vision impairment.
- Mantenir fora de l'abast dels nens.
- Do not disassemble or modify the product, as this may void the warranty and cause malfunction.
- Ensure the light is securely mounted before each ride to prevent it from falling off.
10. Garantia i Suport
This product comes with a warranty valid for 1 week after product arrivalSi us plau, conserveu el comprovant de compra per a reclamacions de garantia.
For technical support, warranty inquiries, or replacement parts, please contact ROCKBROS customer service through the retailer where you purchased the product. Provide your model number (TL907Q50) and a detailed description of the issue.