*KeyFeatures *Upgraded High-quality LED Lights: VEVOR high-power and high-lumen full-spectrum aquarium lights feature premium RGB5050 and 2835 monochrome beads, offering uniform and stable lighting without flickering. Full spectrum lighting provides optimal illumination for fish and enhances visual comfort for you, with energy-efficient and long-lasting performance up to 30,000 hours. *Customizable Settings with LCD Monitor: You have the freedom to adjust the color, brightness, and RGB ratio of the lights according to your preferences. Enjoy 7-color night lighting and automatic gradual color cycling, with options to set 10 levels of brightness and control RGB ratios. With programmable feature, creating the perfect lighting for corals or fish, promoting photosynthesis and growth of aquatic plants. *All-Day Settings: Set the runtime to automatically simulate natural environmental light cycles 24/7, or customize timers for daytime and nighttime lighting separately. Power-off memory function ensures the fish tank light automatically returns to the previous mode after power restoration, maintaining consistent and stable illumination. *Waterproof and Durable: With IP67 waterproof rating, you don't have to worry about splashes or other accidental drops of water. The high-quality fully sealed 1.2mm thick aluminum alloy shell provides more effective heat transfer and protects the full-spectrum aquarium light from humidity and water damage. *Wide Applications: Designed for 18-24 inch aquariums, VEVOR aquarium LED lights have 2 extendable brackets with a maximum single-side extension of 5.5 inch and dual-side extension of 11 inch, making them easy to install on most glass or acrylic aquarium tanks with transparent hood/lid or no, with rims or rimless. Suitable for both novice and seasoned aquarium enthusiasts. ******************************************************************************************************* *Specifications Item Model Number: FG191-45 Rated Power: 18W Suitable for Aquarium Size: 18-24 inch Product Dimensions: 17.72 x 3.74 x 1.38 in / 450 x 95 x 35 mm ( brackets in retracted state) Net weight: 1.12 lbs / 0.51 kg ******************************************************************************************************* *Pakcage Content 2 x Extendable Brackets 1 x Adapter (1.5m Cable Length) 1 x User Manual