1. Introduction
Thank you for choosing the Izrielar RGB LED Aquarium Light. This manual provides essential information for the safe and efficient use of your new aquarium lighting system. Please read these instructions carefully before installation and operation, and retain them for future reference.
2. Safety Instructions
WARNING: This product is NOT waterproof. Do NOT immerse it in water or use it underwater. It is designed to be hung above the aquarium.
- Ensure the power supply voltage matches the product's requirements before connecting.
- Always unplug the light from the power outlet before performing any maintenance, cleaning, or installation.
- Do not operate the light if the power cord or plug is damaged.
- Keep the light away from flammable materials.
- Avoid direct eye exposure to the LED light.
- The light may become warm during prolonged operation. This is normal. Ensure adequate ventilation.
- This product is for indoor use only.
3. Package Contents
Please check the package for the following items:
- 1 x Izrielar RGB LED Aquarium Light Bar (36W, 87-110cm)
- 2 x Adjustable Metal Brackets
- 1 x Power Adapter
- 1 x Inline Timer Controller
- 1 x User Manual

Image: Components of the Izrielar RGB LED Aquarium Light, including the light bar, power adapter, and inline timer controller.
4. Product Features
- Two Lighting Modes: Blue light mode and RGB (daylight) mode.
- Full Spectrum LEDs: White LEDs (7000K) promote photosynthesis for plant growth. Blue LEDs (520nm) support healthy coral growth. Red LEDs (620nm) and Green LEDs (460nm) enhance fish coloration and overall aquarium aesthetics.
- Integrated Timer Function: Simple 0.7m controller with three timing options: 6 hours, 10 hours, or 12 hours.
- Adjustable Brightness: 10 levels of brightness adjustment for both white and colored LEDs.
- Adjustable Support Brackets: Retractable brackets on each side allow for easy installation on aquariums ranging from 87 cm to 110 cm in length.
- Durable Construction: Lamp body made of aluminum alloy and plastic, designed for moisture resistance and efficient heat dissipation. Support rod made of stainless steel, and support frame of oven-enameled iron.
- Energy Efficient: High-quality SMD LED technology ensures energy saving and extended product lifespan.

Image: Detailed view of the LED configuration, showing 96 LEDs in total: 60 white, 24 blue, 6 red, and 6 green.
5. Setup Instructions
5.1 Attaching the Adjustable Brackets
- Carefully unpack all components.
- Locate the two adjustable metal brackets.
- Slide one bracket into the slot on each end of the LED light bar. Ensure they are securely fitted.
- Adjust the length of the brackets to fit your aquarium's dimensions (87 cm to 110 cm).

Image: The LED light bar with adjustable metal brackets attached, ready for placement on an aquarium.
5.2 Positioning the Light
- Place the light bar with its extended brackets securely on the edges of your aquarium.
- Ensure the light is stable and cannot accidentally fall into the water.
5.3 Connecting to Power
- Connect the inline timer controller to the light bar.
- Plug the power adapter into the controller.
- Plug the power adapter into a suitable electrical outlet.
6. Operating Instructions
6.1 Using the Inline Timer Controller
The light is controlled via a simple inline controller with buttons for power, mode selection, and timer settings.
- Power Button (ⓔ): Press to turn the light ON or OFF.
- Mode Button (W/B): Press to switch between the two lighting modes:
- Blue Mode: Primarily blue LEDs are active, ideal for nighttime viewing or specific coral needs.
- RGB (Daylight) Mode: All LEDs (white, blue, red, green) are active, providing a full spectrum for plant growth and vibrant colors.
- Brightness Adjustment (+/-): Use these buttons to adjust the light intensity across 10 levels.
- Timer Buttons (6H/10H/12H): Press the desired button to set the operating duration for 6, 10, or 12 hours. The light will automatically turn off after the set time and turn on again at the same time the next day.

Image: Visual representation of the three main lighting effects and the 10-level brightness adjustment feature.
6.2 Recommended Usage
For optimal aquarium health, it is generally recommended to operate the aquarium light for 8-10 hours during the day and turn it off at night. Adjust the timer and brightness according to your specific aquarium's needs (plant types, fish species, etc.).
7. Maintenance
- Cleaning: Regularly wipe the light bar and LEDs with a soft, dry cloth to remove dust and water spots. Ensure the light is unplugged before cleaning. Do not use abrasive cleaners or immerse the light in water.
- Inspection: Periodically check the power cord, plug, and light housing for any signs of damage. If any damage is found, discontinue use immediately and contact customer support.
- Ventilation: Ensure the light has adequate airflow around it to prevent overheating, especially during long periods of operation.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | No power, loose connection, faulty adapter/controller. | Check power outlet, ensure all connections are secure. Test with another outlet. If still not working, contact support. |
| Timer function not working. | Incorrect timer setting, power interruption. | Ensure a timer duration (6H/10H/12H) is selected. Reset the timer by unplugging and replugging the light. |
| Light output is dim or flickering. | Low brightness setting, power issue, internal component failure. | Increase brightness using the controller. Check power connections. If problem persists, contact support. |
| Humidity/moisture inside the light bar. | Improper installation (too close to water surface), high humidity environment, product defect. | Immediately unplug the light. Ensure the light is positioned sufficiently above the water to prevent splashing or condensation. This product is NOT waterproof. If moisture persists or appears to be a defect, discontinue use and contact support. |
9. Specifications
| Feature | Detail (36W Model) |
|---|---|
| Model Number | HG8139 |
| Power | 36 Watts |
| Suitable Aquarium Length | 87 cm - 110 cm (Adjustable) |
| Light Bar Length | 83 cm (830 mm) |
| Number of LEDs | 96 LEDs total |
| LED Configuration | 60 White (7000K), 24 Blue (520nm), 6 Red (620nm), 6 Green (460nm) |
| Input Voltage | 12 Volts |
| Material | Aluminum alloy, Plastic, Stainless Steel (support rod), Iron (support) |
| Water Resistance Level | Not waterproof |
| Control Method | Touch (via inline controller) |
| Timer Settings | 6H, 10H, 12H |

Image: Dimensional overview for different wattage models, with the 36W model measuring 830mm in length.
10. Warranty and Support
This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the product packaging or contact your retailer. If you encounter any issues or have questions regarding your Izrielar RGB LED Aquarium Light, please contact Izrielar customer support through your purchase platform or the official brand website.