1. Introduktion
This manual provides detailed instructions for the installation, operation, and maintenance of your hygger Auto On Off LED Aquarium Light, model HG-999. This full-spectrum LED light is designed for freshwater planted tanks, offering a 24/7 lighting cycle with adjustable timer, multiple color options, and IP68 waterproof rating.
The light features WRGB lamp beads scientifically adjusted to simulate natural light, promoting plant growth and enhancing the visual vibrancy of your aquarium. Its optimized design ensures good waterproof performance and efficient heat dissipation.

Image 1.1: hygger Auto On Off LED Aquarium Light with its wired controller.
2. Sikkerhedsinstruktioner
- Sørg for, at strømforsyningen voltage matches the product's requirements.
- Brug ikke lyset, hvis ledningen eller stikket er beskadiget.
- Always unplug the light before performing any maintenance or cleaning.
- The light unit is IP68 waterproof, but the power adapter and controller are not. Keep them away from water.
- Do not attempt to disassemble or modify the light unit.
- Opbevares utilgængeligt for børn.
3. Pakkens indhold
Bekræft at alle varer er til stede i pakken:
- 1 x LED light with wired controller
- 1 x AC/DC strømadapter
- 2 x Adjustable metal brackets
- 1 x Brugermanual (dette dokument)
4. Opsætning
Follow these steps to set up your aquarium light:
- Fastgør beslag: Slide the adjustable metal brackets onto both ends of the LED light fixture.
- Positionslys: Place the light fixture on top of your aquarium, adjusting the brackets to fit the tank's width (suitable for 30-36 inch tanks). Ensure the light is centered and stable.
- Tilslut strøm: Connect the wired controller to the LED light fixture, then plug the AC/DC power adapter into the controller. Finally, plug the power adapter into a suitable electrical outlet.

Image 4.1: The adjustable metal brackets allow for flexible tank fitting.
5. Betjeningsvejledning
The hygger aquarium light features a wired controller with an LCD monitor for easy programming. The controller has six setting buttons:
- Pil op/ned: Adjust values (time, brightness, color).
- M (tilstand) knap: Cycles through programming modes (51, 52, 53) and confirms settings.
- Light Bulb Button: Manually turns the light on/off or adjusts brightness in manual mode.
- Farvehjulsknap: Cycles through different colors in manual mode.
- Gear knap: Used for setting the current time.

Image 5.1: The wired controller with LCD monitor and control buttons.
5.1. Indstilling af aktuel tid
- After plugging in the light, the LCD monitor will display the current time.
- Tryk og hold på Gear knap for 3 seconds until the hour digit flashes.
- Brug Pil op/ned to adjust the hour. Press the Gear knap for at bekræfte og gå til minutter.
- Brug Pil op/ned to adjust the minutes. Press the Gear knap for at bekræfte.
- The current time is now set.
5.2. Programming Auto Modes (Daylight & Moonlight)
This mode provides a preset 24/7 lighting cycle simulating sunrise, daylight, sunset, and moonlight.
- Daylight Mode (Mode 51):
- Tryk på M (Mode) -knap once until '51' appears on the screen.
- Tryk og hold på M knap for 3 seconds until 'DAY-L ON' flashes.
- Bruge Pil op/ned to set the desired daylight ON time (e.g., 8:00). Press M knap for at bekræfte.
- Set the desired daylight OFF time (e.g., 18:00). Press M knap for at bekræfte.
- Adjust the white light brightness (10%-100%). Press M knap for at bekræfte.
- Moonlight Mode (Mode 52):
- Tryk på M (Mode) -knap again until '52' appears on the screen.
- Tryk og hold på M knap for 3 seconds until 'MOON-L ON' flashes.
- Bruge Pil op/ned to set the desired moonlight ON time (e.g., 18:00). Press M knap for at bekræfte.
- Set the desired moonlight OFF time (e.g., 22:00). Press M knap for at bekræfte.
- Select one of the 7 available colors (Red, Orange, Yellow, Green, Cyan, Blue, Purple). Press M knap for at bekræfte.
- Adjust the brightness (10%-100%). Press M knap for at bekræfte.

Image 5.2: Day Mode cycle with gradual intensity changes.

Image 5.3: Night Mode cycle with various color options.
5.3. Programming DIY Mode (Mode 53)
The DIY mode allows for custom programming of 8 time periods over 24 hours, with free combination of start time, end time, light color, and brightness.
- Tryk på M (Mode) -knap until '53' appears on the screen.
- Tryk og hold på M knap for 3 seconds until 'ON' or 'OFF' flashes for the first time period (L1).
- Bruge Pil op/ned to select 'ON' or 'OFF' for the light. Press M knap for at bekræfte.
- If 'ON' is selected, set the ON time (hour and minute) using Pil op/ned og bekræfter med M knap.
- Set the OFF time (hour and minute) using Pil op/ned og bekræfter med M knap.
- Juster lysstyrkeprocententage (0-100%) for White (W), Red (R), Green (G), and Blue (B) LEDs individually. Use Pil op/ned to change values and M knap to cycle through W, R, G, B and confirm each.
- Repeat steps 2-6 for all 8 time periods (L1 to L8).

Image 5.4: DIY Mode allows for custom 24-hour light programming.
5.4. Manuel betjening
To manually control the light:
- Tryk på Lyspære knap for at tænde eller slukke lyset.
- Når lyset er tændt, tryk på Lyspære knap repeatedly to cycle through brightness levels (10% increments).
- Tryk på Color Wheel Button to cycle through different colors (white, red, green, blue, and combinations).
5.5. Video Tutorial: Programming Hygger 24/7 Light
Video 5.1: A detailed tutorial on programming the Hygger 24/7 LED Aquarium Light, including setting time and various modes.
6. Vedligeholdelse
Regular maintenance ensures optimal performance and longevity of your aquarium light:
- Rensning: Gently wipe the LED light surface with a soft, damp cloth to remove dust or water spots. Do not use abrasive cleaners or solvents.
- Sluk: Always unplug the light from the power source before cleaning or performing any maintenance.
- Inspektion: Periodically check the power cord and connections for any signs of damage. If damage is found, discontinue use and contact customer support.
7. Fejlfinding
If you encounter issues with your hygger aquarium light, refer to the following common problems and solutions:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Lyset tændes ikke. | Ingen strøm, løs forbindelse eller defekt adapter. | Check power outlet, ensure all connections are secure. Test with another outlet. |
| Timer settings are incorrect or light turns on/off at wrong times. | Current time not set correctly, or auto mode/DIY mode not programmed properly. Power outage may reset clock. | Re-set the current time (Section 5.1). Re-program the desired operating mode (Section 5.2 or 5.3). |
| Light flickers or changes color unexpectedly. | Loose connection, water ingress into controller, or internal fault. | Check connections. Ensure controller is dry. If problem persists, contact customer support. |
| Lysstyrken kan ikke justeres. | Operating in a mode that does not allow brightness adjustment (e.g., certain moonlight settings). | Switch to a mode that allows brightness adjustment (e.g., manual mode or DIY mode). |
8. Specifikationer
| Feature | Specifikation |
|---|---|
| Model | HG-999 |
| Wattage | 26 watt |
| Voltage | 20 volt |
| Ampslette | 0.6 Amps |
| Lysstyrke | Greater than 1720 Lumen |
| Farvetemperatur | 6800 Kelvin |
| Color Rendering Index (CRI) | 89 |
| Lyskildetype | LED (WRGB) |
| Vandtæt vurdering | IP68 |
| Materiale | Aluminium |
| Produktdimensioner | 15.43 x 4.84 x 2.4 inches (Light fixture only) |
| Justerbar tankstørrelse | 30-36 tommer |

Image 8.1: Detailed dimensions of the light fixture and power components.
9. Garanti og support
For warranty information or technical support, please refer to the contact details provided on the product packaging or visit the official hygger webwebsted. Gem din købskvittering for garantikrav.





