Introduction
This manual provides detailed instructions for the safe and effective use of your CATEYE Omni 3 Bike Safety Light. The Omni 3 is designed to enhance your visibility and safety during cycling, featuring omni-directional technology for 360-degree visibility. Its low-profile design and triple-LED performance make it an essential accessory for any cyclist.

Image: The CATEYE Omni 3 Bike Safety Light, a compact red light with its flexible mounting bracket attached.
Product Features
- Omni Directional Visibility: Equipped with a translucent design and 3 wide-angle, high-power LEDs, providing 360-degree visibility for enhanced safety on the road.
- Multiple Light Modes: Offers three distinct light modes: constant, flashing, and rapid, allowing you to choose the best visibility setting for your riding conditions.
- Extended Battery Life: Designed for long-lasting performance, providing up to 150 hours of battery life, ensuring reliable illumination for extended rides.
- Easy and Secure Mounting: Features the FlexTight Bracket for quick and tool-free mounting, adjustment, and removal of the light from your bicycle.

Image: A diagram illustrating the Omni 3's 360-degree light dispersion, highlighting its wide visibility angles.
Package Contents
Upon opening the package, please verify that all the following items are included:
- CATEYE Omni 3 Light (Rear)
- 2 x AAA Batteries
- SP-11 FlexTight™ Mount
- Clip (for alternative mounting)
- Rubber Spacer

Image: All components included in the CATEYE Omni 3 package: the light unit, FlexTight mount, clip, and two AAA batteries.
Setup and Installation
1. Battery Installation
- Locate the battery compartment cover on the back of the light unit.
- Using a coin or a flat tool, gently pry open the cover from the designated notch.
- Insert the two AAA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Carefully close the battery cover, ensuring it snaps securely into place to maintain the light's waterproof integrity. Ensure the rubber gasket is properly seated.
2. Mounting the Light
The Omni 3 offers versatile mounting options:
Using the FlexTight™ Bracket (Recommended for Seatpost)
- Attach the FlexTight™ bracket to your bicycle's seatpost. The bracket is designed to fit various diameters (12-32mm). Use the included rubber spacer if needed for a snug fit.
- Tighten the thumb screw on the bracket until it is firmly secured to the seatpost. Do not overtighten.
- Slide the Omni 3 light onto the bracket until it clicks into place. Ensure it is securely latched.
- Adjust the angle of the light as needed for optimal rear visibility. The light can swivel up and down.
Using the Clip (for Bags, Clothing, etc.)
- Attach the clip accessory to the back of the Omni 3 light.
- Securely clip the light onto a bag, backpack, clothing, or other suitable location that provides clear rear visibility.

Image: The CATEYE Omni 3 light securely mounted on a bicycle's seatpost, demonstrating its position for rear visibility.
Operation
The Omni 3 features a single button for all operations.
- Power On/Off: Press and hold the power button for approximately 1 second to turn the light ON or OFF.
- Change Modes: While the light is ON, press the power button briefly to cycle through the three available modes:
- Constant
- Flashing
- Rapid
- Mode Memory: The light will remember the last used mode when turned off and will resume in that mode when turned back on.
For optimal visibility, especially in low-light conditions or at night, ensure the light is positioned clearly and unobstructed.
Maintenance
Battery Replacement
When the light dims or stops functioning, it's time to replace the batteries. Follow the battery installation steps outlined in the "Setup and Installation" section. Always use fresh AAA alkaline batteries for best performance and battery life.
Cleaning
Wipe the light and lens with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these can damage the plastic housing or lens. Ensure the battery compartment is dry before closing it.
Storage
If storing the light for an extended period, remove the batteries to prevent leakage and potential damage to the unit.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | Dead or incorrectly installed batteries. | Replace batteries with new AAA batteries, ensuring correct polarity. |
| Light dims or flickers. | Low battery power. | Replace batteries. |
| Light falls off mount. | Light not securely clicked into bracket; bracket not tight enough. | Ensure light clicks firmly into place. Tighten FlexTight™ bracket thumb screw. |
| Water inside the light. | Battery cover not properly sealed. | Open battery cover, dry interior, ensure rubber gasket is correctly seated, and close securely. |
Specifications
- Model Name: OMNI 3
- Part Number: CA475TL135
- Light Source: 3 LEDs
- Power Source: 2 x AAA Batteries
- Run Time (Approximate):
- Constant: Up to 150 hours
- Flashing: Up to 200 hours
- Rapid: Up to 200 hours
- Water Resistance: IP67 (Waterproof)
- Mounting Type: FlexTight™ Bracket (SP-11), Clip
- Applicable Diameter: 12-32 mm (for FlexTight™ Mount)
- Material: Plastic
- Item Weight: Approximately 0.2 Pounds (90 grams)
- Dimensions (LxWxH): Approximately 5.9 x 1.45 x 3.97 inches

Image: The rear of the Omni 3 retail packaging, displaying detailed product features, run times, and applicable mounting diameters.
Warranty and Support
The CATEYE Omni 3 Bike Safety Light comes with a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or further inquiries, please contact CATEYE customer service through their official website or the retailer where the product was purchased. Please retain your proof of purchase for warranty validation.
For more information, visit the official CATEYE website: www.cateye.com





