OLIGHT RN 120 C Bike Lights User Manual

Product Overview

The OLIGHT RN 120 C is a powerful and versatile bicycle tail light designed to enhance rider safety and visibility. With a maximum output of 120 lumens, it offers 260-degree visibility and a viewable range of up to 1500 meters, making it suitable for road, urban, and daily commuting. Its intelligent features include a built-in light sensor that automatically adjusts brightness based on ambient conditions and a smart motion sensor for brake light functionality. The RN 120 C is USB-C rechargeable and boasts an IPX6 waterproof rating, ensuring reliable performance in various weather conditions.

Image: The OLIGHT RN 120 C Bike Tail Light, a compact and bright rear light for bicycles.

Key Features

• High Performance: Maximum output of 120 lumens with 260-degree visibility and 1500 meters max viewable range. IPX6 waterproof rating.
• Easy Operation: Long press for on/off, single click to change mode, short click to cycle brightness settings. Features memory function for quick start.
• Sensitive Ambient Light Sensor: Automatically adjusts brightness based on surrounding light conditions for optimal warning effect day and night.
• Smart Motion Sensor: Activates automatically when braking, increasing light output to 120 lumens for 3 seconds to signal deceleration.
• USB Rechargeable: Quick charging via USB-C, fully charges within 1 hour.

Image: Infographic highlighting the key features of the RN 120 C Smart Tail Light, including max output, runtime, visibility range, waterproof rating, drop test, and weight.

Package Contents

Upon opening the package, ensure all the following items are present:

• OLIGHT RN 120 C Tail Light
• Mounting Strap (for seat tube)
• Saddle Mount
• USB-C Charging Cable
• User Manual (this document)

Image: All components included in the OLIGHT RN 120 C package, laid out next to its retail box.

Setup and Installation

The RN 120 C offers flexible mounting options to suit your bicycle setup. It can be easily mounted on a seat tube or directly under the saddle.

Seat Tube Installation (Scheme 1)

1. Attach the mounting strap to the seat tube of your bicycle. Ensure it is securely fastened.
2. Align the tail light with the mounting strap's receiver.
3. Push and twist the tail light until it clicks securely into place.

Image: Diagram illustrating the three steps for installing the RN 120 C on a bicycle's seat tube using the provided strap mount.

Saddle Installation (Scheme 2)

1. Attach the saddle mount to the rails underneath your bicycle saddle.
2. Align the tail light with the saddle mount's receiver.
3. Push and twist the tail light until it clicks securely into place.

Both mounting methods are designed for quick installation and dismounting without the need for additional tools.

Image: The RN 120 C tail light shown with its removable mounting strap and saddle mount, emphasizing ease of attachment.

Operating Instructions

The RN 120 C features intuitive controls for various lighting modes and smart functionalities.

Power On/Off and Mode Selection

• To turn the light ON or OFF, press and hold the power button for approximately 1 second.
• To cycle through different lighting modes (e.g., High, Low, Flash, Eco, Smart), short press the power button. The light has a memory function and will return to the last used mode when turned on.

Image: The RN 120 C tail light mounted on a bicycle seat post, demonstrating its bright illumination for both daytime and nighttime visibility.

Smart Features

• Ambient Light Sensor: The integrated sensor automatically adjusts the light's brightness to match ambient lighting conditions, ensuring optimal visibility without manual intervention.
• Smart Motion Sensor (Brake Light): When the light detects deceleration (braking), it will automatically increase its output to a maximum of 120 lumens for 3 seconds to alert following traffic. This feature can be enabled or disabled through specific button presses (refer to the detailed user manual PDF for exact sequence).

Image: A cyclist riding at night with the RN 120 C tail light, demonstrating its auto-adjust brightness feature based on ambient light.

Image: A cyclist braking at night, with the RN 120 C tail light illuminating brightly to indicate deceleration, showcasing the smart motion sensor.

Output Modes and Runtimes

The RN 120 C offers various output modes with corresponding runtimes:

Image: A diagram showing the different output modes (High, Low, Flash, Eco, Smart Day, Smart Night) and their respective lumen outputs and runtimes for the RN 120 C.

Charging

The RN 120 C is equipped with a convenient USB-C charging port for quick and efficient recharging.

• Locate the USB-C charging port on the tail light. It is typically covered by a rubber flap for water resistance.
• Open the rubber flap and insert the provided USB-C charging cable.
• Connect the other end of the USB-C cable to a USB power source (e.g., computer, wall adapter, power bank).
• The light will indicate charging status (e.g., red for charging, green for fully charged).
• A full charge typically takes approximately 1 hour.
• Ensure the rubber flap is securely closed after charging to maintain water resistance.

Image: Close-up of the RN 120 C tail light showing its USB-C charging port, emphasizing the ease of charging.

Maintenance

To ensure the longevity and optimal performance of your OLIGHT RN 120 C tail light, follow these maintenance guidelines:

• Cleaning: Wipe the light with a soft, damp cloth to remove dirt and debris. Avoid using abrasive cleaners or solvents that could damage the casing or lens.
• Storage: Store the light in a cool, dry place when not in use. If storing for an extended period, ensure the battery is partially charged (around 50%) to prolong its lifespan.
• Water Resistance: Always ensure the USB-C charging port's rubber flap is securely closed to maintain the IPX6 waterproof rating.
• Battery Care: Avoid fully discharging the battery frequently. Recharge the light promptly when the low battery indicator appears.

Troubleshooting

If you encounter issues with your RN 120 C tail light, refer to the following common troubleshooting steps:

If these steps do not resolve the issue, please contact OLIGHT customer support.

Specifications

Warranty and Support

OLIGHT provides a comprehensive warranty for its products:

• Warranty: Lifetime Warranty (for products purchased after January 1st, 2023).
• User Manual (PDF): For a detailed version of the user manual, please refer to the official PDF document: Download User Manual (PDF).
• OLIGHT Store: For more information about OLIGHT products and support, visit the official OLIGHT store: Visit OLIGHT Store.

For any further assistance or inquiries, please contact OLIGHT customer service.