Why You’ll Love It The hygger LED Aquarium Light with Timer is a versatile, energy-efficient lighting system designed to enhance fish colors, stimulate plant growth, and maintain a balanced light cycle in aquariums. It simulates natural sunrise-to-sunset transitions. The programmable timer has 4 preset moonlight timer options, 6 preset daylight timer options, and a 15-minute gradual transition to prevent sudden light changes. The HG221 light offers adjustment for the natural light for freshwater fish tanks 12″-52″. You can set 24/7 daylight mode from 2 to 12 hours with a X-minute ramp-up and ramp-down, and adjust light intensity down to 10% according to your tank’s needs. It is narrower and higher over the tank provides more space for tank maintenance. The light controller keeps the program after a power loss. Key Features Full-Spectrum Lighting By combining white, red, green, and blue LED chips, this HG221 aquarium light enhances plant photosynthesis, without algae bloom, and improves fish coloration. The wide spectrum supports dense plant growth, while the RGB components enrich your aquarium’s visual appeal. It stands up a bit higher from the tank surface and ensures a wider dispersion of light. Dual Timer Control Two independent digital timers allow you to program sunrise and sunset periods separately. You can choose the start and end times for both modes, simulating a natural light rhythm for your fish tank inhabitants and plants. Pre-programmed Day-L & Moon-L -Moon-L: Custom color & 4H/6H/8H/12H timer for nocturnal viewing. -Day-L: Automated daylight cycle with 2H/4H/6H/8H/10H/12H programmable timer and 15-min gradual transition. The light turns on and off slowly over 15 minutes. -Color cycling: 10 colors (Full spectrum/red/blue/green/pink/yellow/cyan/orange/white/random) . Adjustable 5 Brightness Easily adjust brightness from 10%–100% (5 brightness levels-10%-25%-50%-75%-100%) using the digital controller. This customization ensures proper lighting intensity for different plants, species, and aquascaping layouts. Natural 24/7 Mode This HG221 Pro Timer aquarium light simulates natural sunrise and sunset, starting with warm orange light at sunrise, to bright full-spectrum light at noon, and starry blue light at nighttime, creating a natural day-night rhythm. Helps reduce fish stress and supports vibrant plant growth. It is compatible with most rimmed, rimless, glass, or acrylic tanks. Premium LED for Plant Growth Equipped with premium 5050/2835 LEDs, delivering 6500K white, 665nm red, and 460nm blue wavelengths. With CRI >92, the HG221 Pro timer light maximizes photosynthesis, providing balanced lighting for lush plants and healthier fish. Adjustable Bracket & Durable Design The durable, extendable brackets allow higher and flexible installation on different tank sizes from 12 to 52 inches (30-132cm), keeping the light stable while covering the full aquarium width evenly. Its ultra-thin aluminum alloy shell ensures efficient heat dissipation and a 20,000 hours lifespan. Memory Function & Splash-proof The built-in memory system automatically saves your brightness and timer settings. After a power outage, your programmed light cycles resume without the need for resetting. Usage Tips Set the Day Timer for your preferred daylight hours (e.g., 8:00 AM–6:00 PM) and the Night Timer for evening moonlight (e.g., 6:00 PM–12:00 AM). A single press ‘M’ button cycles through RGB colors in the order: full spectrum-red-blue-green-pink-yellow-cyan-orange-white-random color cycling, then repeats starting from full spectrum. A quick double press switches to full spectrum. Press the ‘M’ button once to turn on; press and hold for 3 seconds to turn it off. Press the second button to adjust brightness in 5 levels. Specification Package: 1 x LED light 1 x AC/DC power adapter 2 x Extendable mental bracket 1 x User manual People Also Buy 20% OFF hygger Accurate Quartz Glass Aquarium Heater 200-500W prevent overheat for 10-135 Gal $31.18 – $34.99Price range: $31.18 through $34.99 Rated 4.83 out of 5 25% OFF hygger Cylindrical Aquarium Wave Maker 8W/10W blows feces & debris for 20-150Gal $29.99 Rated 5.00 out of 5 hygger Dual Pro Aquarium Air Pump 4-11W dual-outlets for tanks up to 600 Gal10% OFF $28.99 – $49.99Price range: $28.99 through $49.99 Rated 5.00 out of 5 Sold out hygger High Density Hole Aquarium Air Stone 2.6"-4.1" adjust air flow for higher oxygen10% OFF $12.99 – $18.99Price range: $12.99 through $18.99 Rated 5.00 out of 5
