ROCKBROS Bicycle Bell Anti-Theft Horn User Manual

1. Product Overview

The ROCKBROS A2 Bicycle Bell Anti-Theft Horn is a versatile accessory designed to enhance cycling safety and security. It features an electric horn, an anti-theft alarm, and a wireless remote control, all housed in a durable, waterproof casing. The device is Type-C rechargeable and offers multiple installation options.

2. Setup and Installation

2.1 Horn Installation

1. Fix the cable tie onto the bracket.
2. Strap the cable tie tightly around the desired mounting location on your bicycle.
3. Cut off any excess cable tie.
4. Insert the horn unit into the bracket.
5. Tighten the screw to secure the horn in place.
6. Verify that the installation is complete and secure.

2.2 Remote Control Installation

1. Open the remote control bracket pad.
2. Attach the pad to the back of the remote control bracket.
3. Insert a cable tie through the bracket.
4. Fix the bracket securely on your bicycle's handlebar.
5. Insert the remote control unit onto the bracket.
6. Confirm that the remote control is firmly installed.

2.3 Charging the Horn

The horn features a Type-C charging port and a built-in 400mAh (3.7V) lithium battery. Connect a Type-C cable to the horn and a compatible USB power source to charge. The LED power indicator will show the charging status.

3. Operating Instructions

3.1 Remote Control Functions

The wireless remote control allows for convenient operation of the horn and alarm features:

• Lock Button: Activates the anti-theft alarm with 3 levels of shock sensation adjustment.
• Unlock Button: Long press for 4 seconds to set or disarm the alarm.
• Alarm Button: Adjusts the sound volume of the horn.
• Bell Button: Cycles through 5 different ring tones for the bicycle bell.

3.2 Theft Alarm

The anti-theft alarm can be adjusted to three sensitivity levels:

• Low: 83-85dB
• Medium: 105-108dB
• High: 110-115dB

When the alarm is armed (locked), it will activate if it detects a touch or movement.

4. Maintenance

4.1 Waterproofing

The device is rated IPX5 waterproof and dustproof, meaning it can withstand water spray from any direction. However, it is crucial not to soak the product in water to prevent damage.

4.2 Cleaning

Wipe the device with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.

4.3 Battery Care

Ensure the horn is charged regularly, especially if not used for extended periods, to maintain battery health. The remote control uses a 12V/27A alkaline battery, which should be replaced when its performance degrades.

5. Troubleshooting

5.1 Horn Not Sounding / Alarm Not Activating

• Check the battery level of the horn. Recharge if necessary.
• Ensure the remote control battery is not depleted. Replace if needed.
• Verify that the remote control is within the effective operating range (10-80m in open areas).
• Confirm that the alarm is properly armed using the lock button.

5.2 Remote Control Unresponsive

• Replace the 12V/27A alkaline battery in the remote control.
• Ensure there are no significant obstructions between the remote and the horn that could interfere with the signal.

6. Specifications

7. User Tips

While no specific user tips were available from reviews or Q&A, here are some general recommendations:

• For optimal battery life, avoid fully discharging the horn's battery frequently.
• Test the alarm sensitivity settings in a safe environment before relying on them for security.
• Periodically check the mounting brackets for tightness to ensure the horn and remote remain secure during rides.

8. Warranty and Support

This product comes with a 1-year warranty from the date of purchase. For any issues or support inquiries, please contact the seller or ROCKBROS customer service through the platform where the product was purchased. Please retain your proof of purchase for warranty claims.