1. Product Overview
The SEAOURA SR-618 24/7 Mode LED Aquarium Light is designed to provide optimal lighting for plant growth and enhance the visual appeal of your fish tank. It features a natural light simulation cycle, adjustable colors, brightness, and timer options, all housed in a durable, waterproof aluminum alloy shell.

Image 1.1: Overview of the SEAOURA 24/7 Mode LED Aquarium Light, showcasing its sleek design, integrated controller, and extendable mounting brackets.
2. What's in the Box
- 1 x SEAOURA SR-618 LED Aquarium Light
- 1 x Power Cable
- 1 x User Manual
- 1 x Set of Extendable Mounts
3. Setup and Installation
Follow these steps to correctly install your SEAOURA SR-618 LED Aquarium Light:
- Attach Extendable Brackets: Slide the extendable metal brackets onto both ends of the light fixture. Ensure they are securely fitted.
- Position on Tank: Place the light fixture on top of your aquarium. Adjust the extendable brackets to fit tanks between 48-54 inches, ensuring the light is centered and stable. The brackets are designed to fit most glass or acrylic tanks, with or without rims.
- Connect Power: Connect the power cable to the light fixture's controller, then plug the power adapter into a standard electrical outlet.
- Initial Power On: The light will typically turn on in a default mode. Refer to the 'Operating Instructions' section to customize settings.

Image 3.1: Close-up view of the extendable metal brackets, demonstrating how they adjust to fit various tank sizes.
4. Operating Instructions
The SEAOURA SR-618 features a versatile controller for various lighting modes and settings.
4.1 Controller Overview

Image 4.1: The integrated controller with buttons for timer, mode, brightness adjustment, and 24/7 cycle settings.
4.2 24/7 Cycle Mode
This mode simulates a natural sunrise to moonlight cycle, providing optimal conditions for plant growth and fish well-being. It transitions from warm orange light in the morning to bright full spectrum at noon, fading to orange in the afternoon, and finally to blue moonlight in the evening. There are 16 time points to choose from.
- Enter 24/7 Mode: Long press the '24/7' button on the controller until the indicator lights for the 24/7 mode illuminate.
- Set Current Time: Use the 'AM/PM' button to set the current time. The controller will use this as a reference point for the cycle.
- Select Cycle Start Time (M1, M2, M3): Use the 'Brightness Up/Down' buttons to cycle through the preset start times (M1: 6:00 AM, M2: 7:00 AM, M3: 8:00 AM). The corresponding indicator will light up.
- Confirm Setting: Press the '24/7' button again to confirm your selection. The light will now operate according to the chosen 24/7 cycle.

Image 4.2: Visual representation of the 24/7 cycle modes, illustrating the gradual changes in light color and intensity throughout the day.
Video 4.1: A detailed guide on how to set up and configure the 24/7 cycle mode on your SEAOURA aquarium light controller.
4.3 Custom Color and Brightness Modes
You can manually select from 8 color modes and 10 brightness levels.
- Power On/Off: Long press the 'Power/Mode' button for 2 seconds to turn the light on or off.
- Change Color Mode: Short press the 'Power/Mode' button to cycle through 8 color modes: Red, Blue, Green, Pink, Orange, Sea Blue, Yellow, Cycle, and Full Spectrum.
- Adjust Brightness: Use the 'Brightness Up/Down' buttons to select from 10 brightness levels (10% to 100%). Note: Cycle Color mode does not have a brightness option.

Image 4.3: The controller displaying options for custom color selection and brightness adjustment.
4.4 Timer Options
Set the light to automatically turn off after a specified duration.
- Select Timer: Press the 'Timer' button to cycle through 5 timer options: 4 Hours, 6 Hours, 8 Hours, 10 Hours, or 12 Hours. The corresponding indicator will light up.
- Automatic Operation: Once set, the light will automatically turn off after the selected duration each day.

Image 4.4: The controller interface highlighting the available timer settings.
Video 4.2: An operational guide demonstrating the various functions of the SEAOURA aquarium light, including color changes, brightness adjustments, and timer settings.
5. Maintenance
Proper maintenance ensures the longevity and optimal performance of your aquarium light.
- Cleaning: The ultra-thin aluminum alloy shell and IP68 waterproof rating make the light easy to clean. Gently wipe the surface with a soft, damp cloth. Do not use abrasive cleaners.
- Water Contact: While the light is IP68 waterproof and can withstand accidental falls into water, it is recommended to keep the power adapter and controller dry.
- Power Off Memory: The light features a power-off memory function. In case of a power failure, the 24/7 mode will restart at 6 AM, and the timer mode will recalculate the setting time.

Image 5.1: The light fixture demonstrating its waterproof capability, making cleaning safe and easy.
6. Troubleshooting
If you encounter any issues with your SEAOURA aquarium light, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on | Power connection issue; faulty adapter | Check all power connections. Ensure the adapter is securely plugged in. Try a different outlet. |
| 24/7 mode not working as expected | Incorrect time setting; mode not confirmed | Re-enter 24/7 mode and ensure the current time is set accurately and the mode is confirmed by pressing the '24/7' button. |
| Light flickers or changes intensity unexpectedly | Loose connection; power supply issue | Check all cable connections. Ensure the power adapter is functioning correctly. Contact customer support if the issue persists. |
| Difficulty changing colors or brightness | Controller malfunction; in 24/7 mode | Ensure the light is not in 24/7 mode (where color/brightness cannot be manually adjusted). If in manual mode, try resetting the light by unplugging and re-plugging. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | SR-618 |
| Product Dimensions | 3.7"D x 45.86"W x 0.3"H |
| Item Weight | 1.47 Kilograms |
| Wattage | 42 watts |
| Voltage | 20 Volts (DC) |
| Light Source Type | LED (5050 & 2835 chips, 6500K white, full spectrum RGB) |
| Water Resistance Level | IP68 Waterproof |
| Control Method | Remote Control |
| Connectivity Technology | USB, Bluetooth |
| Material Type | Aluminum |
| Recommended Tank Size | 48-54 inches |
8. Warranty and Support
The SEAOURA SR-618 LED Aquarium Light comes with a 1-month free return policy. For further assistance, please contact SEAOURA customer support through your retailer or the official brand website.







