Introduction
The Verilux HappyLight Full-Size is a UV-Free Therapy Lamp designed to provide up to 10,000 lux of bright white light. This lamp is intended to improve sleep, boost mood, increase energy, and enhance focus by mimicking natural sunlight. Its customizable features include adjustable brightness levels, interchangeable lenses, and a versatile design allowing for use with a detachable stand or wall mounting.

Image: The Verilux HappyLight Full-Size lamp, showcasing its compact and sleek design with a detachable stand.
Important Safety Information
Please read all instructions carefully before using the HappyLight Full-Size. Failure to follow these instructions may result in injury or damage to the device.
- Do not immerse the lamp in water or any other liquid.
- Keep the lamp away from heat sources and direct sunlight.
- Use only the power adapter supplied with the device.
- Unplug the lamp from the power outlet when not in use or before cleaning.
- Do not operate the lamp if it has a damaged cord or plug, or if it has been dropped or damaged.
- This device is for indoor use only.
- Consult a healthcare professional before using light therapy if you have any pre-existing eye conditions, bipolar disorder, or are taking medications that may increase light sensitivity.
- Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.
Setup
Unpacking and Placement
- Carefully remove all components from the packaging.
- Place the HappyLight Full-Size on a flat, stable surface, such as a desk, nightstand, or counter. Ensure there is adequate space around the lamp for proper ventilation.
- The lamp can be used with its detachable stand or mounted on a wall. For wall mounting, refer to the specific instructions provided in the separate wall mounting kit (if applicable).

Image: The HappyLight Full-Size positioned on a desk, demonstrating its suitability for home or office environments.
Power Connection
- Connect the power adapter to the lamp's power input port.
- Plug the power adapter into a standard 120-volt electrical outlet.
Interchangeable Lenses
The HappyLight Full-Size comes with two interchangeable lenses: a High Energy lens (for 10,000 LUX) and a Comfort lens (for 5,000 LUX). These lenses are held in place magnetically and can be easily swapped.
- To change a lens, gently pull the current lens away from the lamp's face.
- Align the desired lens with the lamp's face and allow the magnets to secure it in place.
Operating Instructions
Powering On/Off and Brightness Adjustment
The HappyLight Full-Size features a single switch for power and brightness control.
- To turn the lamp on, slide the switch to the desired brightness level. The lamp offers two brightness settings:
- High Setting: Provides 10,000 LUX with the High Energy lens, or 5,000 LUX with the Comfort lens.
- Low Setting: Provides 7,500 LUX with the High Energy lens, or 3,500 LUX with the Comfort lens.
- To turn the lamp off, slide the switch to the center 'off' position.

Image: A user demonstrating the adjustable brightness feature of the HappyLight Full-Size.
Recommended Usage
For optimal results, position the lamp so that the light is directed towards your face, but avoid staring directly into the light. The lamp's adjustable tilt allows you to easily position it for maximum comfort.

Image: The adjustable tilt feature of the HappyLight Full-Size, allowing users to direct the light as needed.
- Duration: Start with shorter sessions (e.g., 10-20 minutes) and gradually increase as needed, up to 30-60 minutes per day.
- Time of Day: It is generally recommended to use the light in the morning to help regulate your circadian rhythm. Avoid using the light too late in the evening, as it may interfere with sleep.
- Distance: The effective distance for light therapy varies. Experiment with placing the lamp at a comfortable distance (e.g., 6-24 inches) where you feel the benefits without discomfort.
Maintenance
Cleaning
- Always unplug the lamp before cleaning.
- Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Ensure the lamp is completely dry before plugging it back in.
Bulb Replacement
The HappyLight Full-Size uses a long-lasting bulb. If bulb replacement becomes necessary, please contact Verilux customer support for guidance and compatible replacement bulbs to ensure proper function and safety.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lamp does not turn on. | Not plugged in; power outlet not working; switch in off position; faulty power adapter. | Ensure the lamp is securely plugged into a working outlet. Check the power switch position. Try a different outlet. Contact customer support if the issue persists. |
| Light is too bright or causes discomfort. | High brightness setting; incorrect lens used; too close to the lamp. | Switch to the low brightness setting. Consider using the Comfort lens. Increase your distance from the lamp. If discomfort persists, reduce session duration or consult a healthcare professional. |
| Light flickers or dims. | Loose connection; aging bulb. | Check all connections. If the bulb is old, it may need replacement (contact customer support). |
Specifications
- Model Number: VT20WW1
- Light Output: Up to 10,000 Lux
- Brightness Levels: 2 (High, Low)
- Lenses: 2 Interchangeable (High Energy, Comfort)
- Dimensions: 4"D x 6.25"W x 12.5"H (10.16 cm D x 15.88 cm W x 31.75 cm H)
- Weight: 2 Pounds (0.91 kg)
- Material: Plastic
- Wattage: 36 watts
- Bulb Voltage: 120 volts
- Base: Detachable Stand, Wall Mountable

Image: Detailed dimensions of the HappyLight Full-Size lamp.
Warranty and Support
The Verilux HappyLight Full-Size comes with a 1-Year Manufacturer's Warranty. For any questions, technical assistance, or warranty claims, please contact Verilux customer support. Our US-based team is available to provide live support.
For more information, visit the official Verilux website or refer to the contact details provided in your product packaging.