Description
Product Features
2 Light Modes Available
1. Default mode (24/7 natural mode)
Gradient Orange light (sunrise) from 6 am to 8 am;
Gradient White light from 8 am to 6 pm;
Gradient Blue light (moonlight) from 6 pm to 10:50 pm;
The LED tank lights are off in other time periods.
Please note that the 6-time points on the controller are used as a reference for the first running time setting. In other words, the overall default time period can be delayed or advanced.
2. DIY mode
Time + Color + Brightness can be set.
Setting time (Timer key): There are 3 choices, it can run for 6 hours, 10 hours, or 12 hours;
Brightness (Up /Down key): 5 kinds of brightness.
Color (On-Off / M key): White, Red, Blue, Green, Purple, Orange, Cyan.
New upgrade
This LED fish tank light is water proof and easy to clean and wipe, so there is no need to worry even if it falls into the water briefly. With the separable adapter, there is no need to replace the whole light even if it is damaged. The extendable bending bracket can be adjusted in length, and can be applied to various freshwater tanks. Thicken aluminum increases heat dissipation efficiency.
High-quality led aquarium light
Light is soft and the color rendering index is close to natural light, protecting eyes and fish, to refuse the discomfort caused by stroboscopic for fish and viewers. Using high-quality 2835 + 5050 model lamp beads, it has a long service life for at least 50,000 hours.
Adjustable timer & brightness
Lighting time can be programmed to 6 H, 10 H and 12 H. Lighting mode can be adjusted to 9 stages of brightness (10% – 25% – 50% – 75% – 100% – 75% – 50% – 25% – 10%).
Directions for Use
1. Unpack the box and check that if the led fish tank light and other accessories are included.
2. Expand both sides of metal bracket to match the length of your aquarium.
3. Connect power supply with the light, then plug in. Make sure a drip loop is created before the outlet as shown on the warning.
4. Press the M button 
to turn on the light. Long press the same button to turn off it if needed.
How to Program the Timer Lighting Mode (DIY Mode)?
You can alter light color, intensity, and lighting time in this mode.
Step 1: Press M button to choose the light color you want. The sequence of light colors is: White > Red > Blue > Green > Purple > Yellow > Cyan.
Step 2: Press M button twice, the light will become 100% full spectrum tank light.
Step 3: Press TIMER button to set the lighting time. 4 options are available: 6 hours, 10 hours, 12 hours, and no timer.
Step 4: Press 
button to adjust the brightness. 9 stages are available: 10%, 25%,, 50%, 75%, 100%, 75%, 50%, 25%, 10%.
Note:
1. Once the timer lighting mode (DIY mode) is set up, the fish tank light slowly ramps up and down in 15 minutes the next day.
2. You need to reprogram the light after power off.
24 / 7 Mode (Natural Mode)
In this natural mode, the light slowly wakes up by emitting dim orange light at dawn, bright full spectrum light at day, and blue light at night.
Once it is set up, the light will automatically turn on and off at the same time every day. The light color and intensity are fixed. The indicator light on the top of the hour points out the current time range.
You can press the 24/7 button once to choose 8:00, and the indicator light is red.
Specifications
Brand: Hygger
Model: HG-978
Input Voltage: AC 100-240V
Output Voltage: DC 20V
| Power | 14W | 18W | 22W | 26W | 36W | 42W |
| LED Quantity (Pcs) | 58 | 98 | 115 | 138 | 158 | 215 |
| Light Size (Inches) | 12 | 18 | 24 | 30 | 36 | 48 |
| Applicable Aquarium Length (Inches) | 12-18 | 18-24 | 24-30 | 30-36 | 36-42 | 48-54 |
Power cord length:
14W, 18W, 22W, 26W - 4.9' + 2.3'
36W, 42W - 5.9' + 2.3'
Package includes:
1 x LED Light
1 x AC/DC power adapter
2 x Metal bracket
1 x User manual