Introduction
This manual provides instructions for the setup, operation, maintenance, and troubleshooting of your OttLite CY4G59-FFP LED Color Changing Desk Lamp. Please read these instructions carefully before using the product to ensure proper function and longevity.
Setup
Unpacking
- Carefully remove all components from the packaging.
- Inspect the lamp and its components for any signs of damage. If any damage is found, do not proceed with setup and contact customer support.
- Ensure all listed components are present: the lamp unit and the AC/DC power adapter.
Power Connection
- Place the lamp on a stable, flat surface.
- Connect the AC/DC power adapter to the power input port located on the back of the lamp base.
- Plug the power adapter into a standard 120V electrical outlet.

Image: The OttLite CY4G59-FFP LED Desk Lamp, illustrating its overall design and flexible neck.
Operating Instructions
The OttLite CY4G59-FFP features touch-activated controls located on the lamp base.

Image: Detailed view of the touch-activated control panel on the lamp base.
Main Lamp Controls
- Power On/Off: Touch the Power button (
) to turn the main lamp light on or off. - Brightness Settings: The lamp offers 5 brightness levels. After turning the lamp on, repeatedly touch the Brightness button (
) to cycle through the available brightness levels, from lowest to highest. - Color Temperature Modes: The lamp has 3 color temperature modes. Touch the Mode button (
) to switch between different light color temperatures (e.g., warm white, natural daylight, cool white).

Image: Visual representation of the three distinct color temperature modes.
Color Changing Tunnel
- Activate/Deactivate: Touch the Color Tunnel button (
) to turn the color tunnel feature on or off. - Select Color: When the color tunnel is active, touch and slide your finger along the color spectrum bar on the base to select a specific color.
- Cycle Colors: To enable continuous cycling through the entire color spectrum, touch the Color Tunnel button (
) again after selecting a static color, or if it's already cycling.

Image: Examples of the color changing tunnel displaying various hues.
USB Charging Port
The lamp includes a 5V, 2.1A USB port for charging compatible devices such as smartphones and tablets. Locate the USB port on the side of the lamp base. Connect your device's USB charging cable to this port.

Image: The lamp's integrated USB port in use, charging a smartphone.
Flexible Neck Adjustment
The lamp features a flexible rubberized neck, allowing you to adjust the light head to direct illumination precisely where needed. The height can be adjusted from approximately 11.75 inches to 16 inches.

Image: Illustration of the lamp's flexible neck, demonstrating its adjustable height and angle.
Maintenance
Cleaning
- Before cleaning, ensure the lamp is unplugged from the power outlet.
- Use a soft, dry cloth to wipe down the lamp's surfaces.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these may damage the finish or electronic components.
- Avoid getting moisture into any openings of the lamp.
Storage
If storing the lamp for an extended period, unplug it and store it in a cool, dry place, preferably in its original packaging to protect it from dust and damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lamp does not turn on. | No power supply. | Ensure the power adapter is securely plugged into both the lamp and a working electrical outlet. Test the outlet with another device. |
| Main light flickers or is dim. | Unstable power connection or faulty adapter. | Check power connections. If the issue persists, contact customer support for a replacement adapter. |
| Color changing tunnel is unresponsive or stuck on one color. | Touch sensor issue or temporary glitch. | Unplug the lamp for 30 seconds, then plug it back in to reset. Ensure your finger is clean and dry when operating the touch controls. If the issue persists, contact customer support. |
| USB port not charging devices. | Device incompatibility or cable issue. | Ensure your device is compatible with 5V, 2.1A charging. Try a different USB cable. Verify the lamp is powered on. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | CY4G59-FFP |
| Brand | OttLite |
| Light Source Type | LED |
| Brightness Levels | 5 (up to 500 lumens) |
| Color Temperature Modes | 3 |
| Color Changing Tunnel | Yes (choice of color or continuous cycle) |
| USB Port | 5V, 2.1A |
| Control Method | Touch |
| Material | Plastic, Rubber |
| Finish Type | Matte |
| Color | Black |
| Item Weight | 2.91 pounds |
| Product Dimensions | 9.5 x 2.75 x 11.75 inches |
| Wattage | 10.5 watts |
| Voltage | 120 Volts |
| Indoor/Outdoor Usage | Indoor |
Warranty & Support
Warranty Information
OttLite provides a warranty that covers OttLite bulbs for 1 year from the date of purchase. OttLite lamps and accessories (excluding batteries) are covered for 2 years from the date of purchase.
Customer Support
For further assistance, troubleshooting not covered in this manual, or warranty claims, please contact OttLite customer support. Refer to the OttLite official website for current contact information.







