1. Introduction
Thank you for choosing the CYCLAMI BR2000+CY110 Bike Light Set. This manual provides essential information for the safe and effective use of your new headlight and taillight. Please read it thoroughly before installation and operation, and retain it for future reference.

Image 1.1: The CYCLAMI BR2000+CY110 Bike Light Set, featuring the 2000 lumen headlight and the safety taillight.
2. Safety Information
- Always ensure lights are securely mounted before riding.
- Do not look directly into the headlight beam to avoid temporary vision impairment.
- Keep the lights away from children.
- Use only the provided charging cable or a certified USB charger.
- Do not disassemble or modify the lights, as this may void the warranty and pose safety risks.
- While the lights are IPX6 waterproof, avoid prolonged submersion in water.
3. Package Contents
Verify that all items are present in your package:
- CYCLAMI BR2000 Headlight (1 unit)
- CYCLAMI CY110 Taillight (1 unit)
- Headlight Handlebar Mount (1 unit)
- Taillight Seat Post Mount (1 unit)
- USB Charging Cable (2 units)
- User Manual (this document)
4. Setup and Installation
4.1 Headlight Installation
- Attach the handlebar mount to your bicycle's handlebar. Ensure it is positioned centrally and securely tightened using the screw mechanism.
- Slide the BR2000 headlight onto the mount until it clicks into place.
- Adjust the angle of the headlight to illuminate the path ahead without blinding oncoming traffic.

Image 4.1: Securely mounting the BR2000 headlight on the handlebar.
4.2 Taillight Installation
- Wrap the taillight seat post mount around your bicycle's seat post.
- Secure the mount firmly.
- Attach the CY110 taillight to the mount. Ensure it faces directly backward for maximum visibility.

Image 4.2: Installing the CY110 taillight on the seat post.
4.3 Initial Charging
Before first use, fully charge both the headlight and taillight. Refer to the "6. Charging" section for detailed instructions.
5. Operating Instructions
5.1 Headlight (BR2000)
The BR2000 headlight features a single power button and a mode switch button.
- Power On/Off: Press and hold the power button for 2 seconds to turn the headlight on or off.
- Mode Selection: Briefly press the mode switch button to cycle through the 5 lighting modes:
- Strong Brightness (2000 Lumens)
- Medium Brightness
- Low Brightness
- Fast Flash
- SOS

Image 5.1: The BR2000 headlight providing 2000 lumens for enhanced visibility.

Image 5.2: Demonstration of the 2000 lumen high brightness, offering wider and farther illumination.
5.2 Taillight (CY110)
The CY110 taillight features a single button for power and mode selection.
- Power On/Off: Press and hold the button for 2 seconds to turn the taillight on or off.
- Mode Selection: Briefly press the button to cycle through the 4 lighting modes:
- Steady On
- Fast Flash
- Slow Flash
- Breathing Flash
- Smart Brake Sensing: The taillight automatically detects braking actions. Upon sensing deceleration, the light's brightness will increase by 20% for 5 seconds to alert following vehicles.
- Vibration Sensing Auto Wake-up: The taillight enters sleep mode after 30 seconds of inactivity and automatically shuts down after 30 minutes to conserve battery. A gentle vibration will instantly wake the light, resuming the last used mode.

Image 5.3: Explanation of the taillight's smart brake sensing technology.
6. Charging
Both the headlight and taillight are USB rechargeable. Use the provided USB cables to charge them.
- Headlight (BR2000): Equipped with a 4500mAh battery. Charging time is approximately 4-6 hours.
- Taillight (CY110): Equipped with a 500mAh battery. Charging time is approximately 1-2 hours.
- Connect the USB cable to the charging port on the light and plug the other end into a standard USB power adapter (not included) or a computer USB port.
- An indicator light will show charging status (e.g., red for charging, green for fully charged).
- Ensure the charging port cover is securely closed after charging to maintain water resistance.
7. Maintenance
- Cleaning: Wipe the lights with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the lights in a cool, dry place when not in use. For long-term storage, charge the batteries every 3-6 months to prolong their lifespan.
- Water Resistance: The lights are rated IPX6 waterproof, meaning they are protected against high-pressure water jets from any direction. They are suitable for use in rain but should not be submerged.

Image 7.1: The IPX6 waterproof design ensures reliable operation in various weather conditions.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Battery is depleted. | Charge the light fully. |
| Light does not turn on. | Power button not pressed correctly. | Press and hold the power button for 2 seconds. |
| Light not charging. | Faulty cable or power source. | Try a different USB cable or power adapter. Ensure connections are secure. |
| Mount feels loose. | Mount not tightened sufficiently. | Re-tighten the mount screw/strap securely. |
| Taillight auto-shuts off too quickly. | No vibration detected for 30 seconds (sleep mode) or 30 minutes (auto-shutdown). | This is normal operation. A gentle vibration will reactivate it. |
9. Specifications
Detailed specifications for the CYCLAMI BR2000+CY110 Bike Light Set:

Image 9.1: Parameter comparison table for CYCLAMI bike lights.
| Feature | Headlight (BR2000) | Taillight (CY110) |
|---|---|---|
| Light Intensity | 2000 Lumens | High Brightness LED |
| Battery Capacity | 4500mAh | 500mAh |
| Battery Life | 4-10 hours (mode dependent) | 3.5-6 hours (mode dependent) |
| Light Modes | 5 modes (Strong, Medium, Low, Fast Flash, SOS) | 4 modes (Steady On, Fast Flash, Slow Flash, Breathing Flash) |
| Material | Aluminum Alloy | |
| Water Resistance | IPX6 | |
| Charging Port | USB Type-C | |
| Weight | ~190 Grams | (Not specified, typically lighter than headlight) |
| Dimensions (L x W x H) | 1.5" x 1.1" x 4.2" (approx.) | (Not specified, compact design) |
10. Warranty and Support
Warranty: The CYCLAMI BR2000+CY110 Bike Light Set comes with a 12-month warranty from the date of purchase, covering manufacturing defects. This warranty does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
Customer Support: For technical assistance, warranty claims, or any questions regarding your product, please contact CYCLAMI customer support through the official brand store or your point of purchase. You can visit the CYCLAMI Store on Amazon for more information.





