ROCKBROS Magnetic Bike Tail Light User Manual

1. Introduction

Thank you for choosing the ROCKBROS Magnetic Bike Tail Light. This manual provides essential information for the safe and efficient use of your new cycling accessory. This tail light is designed to enhance your visibility and safety during road and mountain biking, featuring a magnetic attachment, USB-C recharging, IPX6 waterproofing, and intelligent lighting modes.

Figure 1: Overview of the ROCKBROS Magnetic Bike Tail Light. This image displays the sleek, compact design of the tail light, highlighting its red illumination surface and the power indicator.

2. Package Contents

• ROCKBROS Magnetic Bike Tail Light (1 unit)
• Magnetic Mounting Bracket (1 unit)
• Rubber Straps (various sizes for seatpost mounting)
• USB-C Charging Cable (1 unit)
• User Manual (this document)

3. Setup and Installation

3.1 Mounting the Tail Light

The ROCKBROS Magnetic Bike Tail Light offers versatile mounting options for secure attachment to your bicycle.

1. Magnetic Seatpost Mounting:
   Attach the magnetic mounting bracket to your bike's seatpost using the provided rubber straps. Ensure the bracket is firmly secured and does not move during riding. Once the bracket is in place, simply align the tail light with the magnetic base and it will snap securely into position. The strong magnetic hold ensures stability even on uneven terrain.


Figure 2: Magnetic Mounting. This image illustrates the magnetic attachment mechanism, showing the tail light being effortlessly snapped onto its base mounted on a bicycle seatpost.

2. Alternative Mounting:
   The light can also be attached to other suitable parts of your bike or gear using the rubber straps, ensuring it is visible from the rear.

3.2 Initial Charge

Before first use, fully charge the tail light. The device features a USB-C charging port for convenience.

Figure 3: USB-C Charging. This image shows the tail light connected to a USB-C cable, indicating its modern and convenient charging method.

4. Operating Instructions

4.1 Power On/Off and Mode Selection

• Power On/Off: Press and hold the power button for 1.5 seconds to turn the light on or off.
• Mode Cycling: Short press the power button to cycle through the 7 available light modes: Single Flash, Double Flash, Strobe, Water Drop Flash, Breathing Flash, Back and Forth Flash, and Steady-On.

Figure 4: 7 Lighting Modes. This image visually represents the various lighting patterns available, demonstrating the tail light's versatility for different visibility needs.

4.2 Intelligent Brake Sensor

The tail light is equipped with an intelligent brake sensor. When a decrease in speed is detected, the light will automatically activate a high-intensity flash for 1.5 seconds to alert vehicles behind you, significantly enhancing safety.

Figure 5: Intelligent Brake Sensor. This image illustrates the tail light's brake sensing capability, showing a bright flash when braking is detected.

4.3 Dual Mode Operation (Automatic/Manual)

The tail light supports two operational modes:

• Automatic Mode: In this mode, the light will automatically turn off in sufficient light conditions and turn on when it's dark or when vibration is detected. It will also automatically enter sleep mode after 2 minutes of inactivity and reactivate upon sensing motion.
• Manual Mode: In manual mode, the light remains on continuously until manually turned off. Short press the button to switch between blinking modes.

Figure 6: Dual Mode Functionality. This image demonstrates the automatic and manual modes, showing how the light adapts to ambient light and motion.

4.4 Battery Indicator

The power button also serves as a battery level indicator:

• Green Light: Battery level is above 40%.
• Red Light: Battery level is between 5% and 40%.
• Blinking Red Light: Battery level is below 5% (low battery).

5. Maintenance

5.1 Charging

To charge the tail light, gently peel back the rubber cover on the USB-C port and connect the provided USB-C cable to a power source. The charging indicator will show the charging status. A full charge can provide up to 36 hours of use in single flash mode.

5.2 Water Resistance

The tail light has an IPX6 waterproof rating, meaning it is protected against high-pressure water jets from any direction. This ensures reliable performance in various weather conditions, including heavy rain and splashes.

Figure 7: IPX6 Waterproofing. This image demonstrates the tail light's water resistance, showing it exposed to water droplets, ensuring durability in wet conditions.

6. Troubleshooting

• Light not turning on: Ensure the battery is fully charged. Press and hold the power button for 1.5 seconds.
• Light not responding to motion/darkness in Auto Mode: Verify the light is in Automatic Mode. Ensure the sensor is not obstructed.
• Light falling off: Re-check the installation of the magnetic mounting bracket and ensure the rubber straps are tight. The magnetic connection should feel secure.

7. Specifications

8. Official Product Video

9. Warranty and Support

For warranty information or technical support, please refer to the product packaging or contact ROCKBROS customer service directly. Keep your purchase receipt for warranty claims.