Introduction
This manual provides instructions for the safe and effective use of your LAQUAL LED Aquarium Light, model LQ5730LED-40. Please read this manual thoroughly before installation and operation, and retain it for future reference.
Safety Instructions
- Ensure the power supply voltage matches the specifications of the light (100-240V).
- The voltage regulator is UL approved for safety and durability.
- The light features an acrylic housing and silicone seal for water resistance against splashes. However, do not immerse the light directly into water, as it is not designed for underwater use.
- Always unplug the light from the power outlet before performing any maintenance or cleaning.
- Keep the power cord away from sharp objects or high-temperature surfaces.
- Do not operate the light if any part is damaged, especially the power cord or plug. Contact customer support for assistance.
Package Contents
- LAQUAL LED Aquarium Light Unit
- Extendable Brackets (2 pieces)
- Power Adapter with Controller
Setup
- Attach Brackets: Slide the extendable brackets onto both ends of the light unit.
- Adjust Length: Extend the brackets to fit your aquarium. The light is suitable for tanks between 16 and 24 inches (40-60 cm) in length.
- Position Light: Place the light securely on top of your aquarium. Ensure it is stable and not at risk of falling into the water.
- Connect Power: Plug the power adapter into the light unit, then plug the power adapter into a suitable electrical outlet.


Operating Instructions
The LAQUAL LED Aquarium Light features a convenient inline controller for managing its functions.

Power On/Off
- Press the Power button (
) to turn the light on or off.
Adjust Brightness
- Use the + and - buttons to cycle through 5 brightness levels: 20%, 40%, 60%, 80%, and 100%.
Switch Light Modes
Press the Mode button () to switch between the three available lighting modes:
- Best-Vision Mode: White and blue LEDs are on, enhancing the appearance of fish and aquatic plants.
- Night Mode: Only blue LEDs are on, providing a soft, mysterious glow for nighttime viewing.
- Plant Mode: All LEDs (white, blue, red, green) are on, providing a full spectrum light suitable for plant growth.

Set Timer
Press the Timer button () to set the operating duration. Available settings are 3 hours, 6 hours, and 12 hours. The light will automatically turn off after the set time.
Maintenance
Cleaning
- Before cleaning, always unplug the light from the power source.
- Wipe the acrylic housing with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these can damage the surface.
- Ensure the light is completely dry before plugging it back in.
Heat Dissipation
- The light unit is designed with a continuous heat sink on the back to dissipate heat efficiently, ensuring a longer lifespan.
- Ensure the heat sink area is not obstructed to allow for proper airflow.

Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | No power supply; loose connection; faulty outlet. | Check if the power adapter is securely plugged into the light and the wall outlet. Test the outlet with another device. |
| Light flickers or dims unexpectedly. | Unstable power supply; internal component issue. | Ensure the power connection is stable. If the issue persists, contact customer support. |
| Timer function not working. | Timer not set correctly. | Press the Timer button repeatedly to select the desired duration (3h, 6h, or 12h). Ensure the light is on when setting the timer. |
| Water splashes on the light. | Normal aquarium activity. | The light is designed to be splash-resistant. Wipe off any water with a dry cloth. Do not immerse the light. |
Specifications
- Model: LQ5730LED-40
- Wattage: 11W
- Voltage: 100-240V
- Adjustable Length: 16-24 inches (40-60 cm)
- LEDs: 63 total (44 White, 10 Blue, 6 Red, 3 Green)
- Material: Plastic, Acrylic Housing, Silicone Seal
- Certifications: UL, CE
- Light Modes: 3 (Best-Vision, Night, Plant)
- Brightness Levels: 5 (20%, 40%, 60%, 80%, 100%)
- Timer Settings: 3 (3h, 6h, 12h)
Warranty and Support
LAQUAL is committed to providing high-quality products. This product comes with the following:
- 90-Day Money Back Guarantee: If you are not satisfied with your purchase, you may return it for a full refund within 90 days.
- 1-Year Free Replacement Warranty: The product is covered by a 1-year warranty for free replacement due to manufacturing defects.
For any questions, concerns, or warranty claims, please contact LAQUAL customer support. Refer to your purchase documentation for specific contact details.