1. Introduction
Thank you for choosing the hygger Programmable LED Aquarium Light, Model HG160. This light is designed to provide a full spectrum lighting solution for planted aquariums, featuring a 24/7 sunrise and sunset cycle, adjustable colors, and brightness levels. This manual provides detailed instructions for installation, operation, and maintenance to ensure optimal performance and longevity of your aquarium light.
2. Safety Instructions
- Always unplug the light from the power outlet before performing any maintenance, cleaning, or installation.
- This product is designed for indoor use only. Do not expose to rain or extreme moisture.
- Ensure your hands are dry when handling the power adapter and controller.
- Do not operate the light if any part is damaged, especially the power cord or adapter.
- Keep out of reach of children.
- Ensure the light is securely mounted on the aquarium to prevent accidental falls into the water.
- The light unit is IP68 waterproof, but the controller and power adapter are not. Keep them away from water.
3. Package Contents
Verify that all items are present in the package:
- LED Aquarium Light Unit
- External Controller
- Extendable Brackets (pre-attached or separate)
- Power Adapter (100-240V AC to 24V/2A DC)
- User Manual (this document)
4. Setup and Installation
Follow these steps to install your hygger LED Aquarium Light:
- Unpack Components: Carefully remove all items from the packaging.
- Attach Brackets: If the extendable brackets are not pre-attached, slide them onto the ends of the light unit.
- Position Light: Place the light unit on top of your aquarium. Adjust the extendable brackets to fit your tank size (e.g., 29-35 inches for the L size model) securely. Ensure the light is centered and stable.

Image: hygger LED Aquarium Light mounted on an aquarium.

Image: Close-up of the adjustable extendable brackets.
- Connect Controller: Plug the light unit's cable into the designated port on the external controller.
- Connect Power: Plug the power adapter into the controller, then plug the adapter into a standard electrical outlet.
5. Operating Instructions
5.1 Controller Overview
The external controller features an LCD display and several buttons for programming and adjusting the light settings. Familiarize yourself with the button functions:

Image: Detailed diagram of the controller and its functions.
- HOUR/MIN: Adjusts time values.
- SET: Enters settings, confirms selections, or switches between hours/minutes.
- COLOR: Cycles through 8 available colors in DIY mode.
- BRIGHTNESS: Adjusts 10 levels of brightness.
- UP/DOWN Arrows: Adjusts values (time, brightness, color).
- ON/OFF: Short press to turn on, long press (3 seconds) to turn off.
- 24/7: Activates the 24/7 automatic daylight cycle.
- DAY: Activates Sunlight constant mode. Long press (3 seconds) to set the daylight timer.
- NIGHT: Activates Moonlight constant mode. Long press (3 seconds) to set the moonlight timer.
- DAY+NIGHT: Switches between daylight mode and moonlight mode. Long press (3 seconds) to set the day/night mode timer.
- DIY/OK: Enters DIY mode, confirms end time of each segment.
5.2 Setting Local Time
Before using timed modes, set the current local time on the controller. Refer to the video below for a visual guide on operating the light, which includes time setting.
Video: Instructions on how to operate the hygger HG160 smart aquarium light, including initial setup and time setting.
5.3 24/7 Default Mode
This mode simulates a natural 24-hour sunrise and sunset pattern, providing a stable lighting environment for your aquarium. It turns on at 6:00 AM and off at 11:00 PM with smooth transitions.
- Ensure the local time is set correctly.
- Briefly press the 24/7 button to activate this mode.

Image: Light intensity graph for the 24/7 mode, illustrating sunrise, daylight, dusk, and moonlight phases.
Video: Demonstrates the hygger IP68 Waterproof LED Aquarium Light with Timer, showing its operation.
Video: Shows the Day and Nightlight functionality of the aquarium light.
Video: Demonstrates the Nightlight Mode of the LED Aquarium Light.
Video: Demonstrates the Daylight Mode of the LED Aquarium Light.
5.4 DIY Mode
The DIY mode allows you to customize the timing, color, and brightness for up to 5 distinct stages (L1-L5) throughout the day, tailoring the lighting to your specific aquatic ecosystem needs.
- Press the DIY/OK button to enter DIY mode.
- For each segment (L1-L5) in sequence:
- Press UP/DOWN arrows to set the start time. Press SET to switch between hours/minutes. Press SET to confirm.
- Briefly press the COLOR button to select a color. Press SET to confirm.
- Briefly press the BRIGHTNESS button to adjust brightness levels (10%-100%). Press SET to confirm.
- Briefly press UP/DOWN arrows to set the end time for the current segment.
- Press DIY/OK to proceed to the next segment.
- Repeat for all 5 segments.

Image: Illustration of the DIY 5 Stages Mode, demonstrating customizable light phases.
Video: Demonstrates the DIY Mode of the LED Aquarium Light, showing customization options.
5.5 Manual Modes (Day, Night, Daylight & Moonlight)
These modes allow for constant lighting at specific settings:
- Day Mode: Briefly press the DAY button for constant sunlight. Long press (3 seconds) to set a specific timer for this mode.
- Night Mode: Briefly press the NIGHT button for constant moonlight. Long press (3 seconds) to set a specific timer for this mode.
- Daylight & Moonlight Mode: Briefly press the DAY+NIGHT button to switch between daylight and moonlight. Long press (3 seconds) to set a specific timer for this combined mode.

Image: Comparison of Day Mode and Night Mode settings with the controller.

Image: Controller displaying Daylight & Moonlight Mode.
5.6 Color and Brightness Adjustment
In DIY or manual modes, you can adjust the light's appearance:
- Colors: Choose from 8 colors: White, Blue, Red, Green, Yellow, Azure, Orange, Purple. Use the COLOR button to cycle through options.
- Brightness: Adjust between 10 brightness levels (10% to 100%). Use the BRIGHTNESS button or UP/DOWN arrows.

Image: Visual representation of the 8 color options and 10 brightness levels.
5.7 Smart Memory Function
The light features intelligent power recovery. In case of a power outage, all settings are restored. However, the local time may need to be reset. The 24/7 cycle will seamlessly resume if no adjustments are made within 5 minutes of reboot.

Image: Illustration of the Smart Memory Function, showing light states before and after a power interruption.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your aquarium light.
- Cleaning: Unplug the light before cleaning. Wipe the aluminum alloy shell with a soft, damp cloth. Do not use abrasive cleaners or immerse the controller or power adapter in water.
- Heat Dissipation: The light features a fin-like texture for efficient heat dissipation. Ensure these fins are not obstructed to maintain proper cooling.
- Cable Inspection: Periodically check the power cord and connections for any signs of wear or damage.

Image: Close-up of the aluminum alloy housing with fin-type design for heat dissipation.
Video: Overview of the IP68 Waterproof Full Spectrum Aquarium Plant Light, highlighting its features and design.
7. Troubleshooting
If you encounter issues with your hygger LED Aquarium Light, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. | No power, loose connection, damaged adapter. | Check power outlet. Ensure all connections are secure. Inspect power adapter for damage; replace if necessary. |
| Controller screen is blank or malfunctioning. | Power issue, internal fault. | Unplug and replug the power. If issue persists, contact customer support. |
| Specific colors are not working. | LED fault, wiring issue. | Ensure the light is not in a mode that restricts color. If problem persists, contact customer support. |
| 24/7 mode not starting or ending correctly. | Incorrect local time setting. | Verify and reset the local time on the controller. |
If troubleshooting steps do not resolve the issue, please contact hygger customer support for assistance.
8. Specifications
Key technical specifications for the hygger Programmable LED Aquarium Light (Model HG160):
| Feature | Detail |
|---|---|
| Model Number | HG160 |
| Wattage | 38 watts |
| LED Quantity | 150 (94 white, 6 red, 14 blue, 6 green, 30 RGB) |
| Lumens | 1398 lm |
| Color Temperature | 12781K |
| CRI (Color Rendering Index) | >90 |
| Product Dimensions | 28.5"D x 4.3"W x 0.5"H (72.5 cm length) |
| Applicable Tank Size | 29-35 inches (75-90 cm) |
| Power Source | Corded Electric (100-240V AC to 24V/2A DC adapter) |
| Material | Aluminum Alloy |
| Waterproof Rating | IP68 (light unit only) |
| Lifespan | 50,000 hours |

Image: Comprehensive product specifications table for different light sizes.

Image: Details on the 38W full spectrum and high rendering index (CRI >90).
9. Warranty and Support
This hygger LED Aquarium Light comes with a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use.
For warranty claims, technical support, or any questions regarding your product, please contact hygger customer service:
- Website: www.hygger-online.com (Please check the official website for the most current contact information.)
- Email: Refer to your product packaging or official website for support email.
Please have your model number (HG160) and proof of purchase ready when contacting support.