The Vevor 3.5-gallon fish tank aquarium is a compact smart tank designed for easy fishkeeping at home or in the office. It features automatic water circulation, oxygenation, and filtration to help maintain cleaner water with less effort. Three adjustable lighting modes enhance the look of fish, plants, and décor for a more vibrant display. Its ultra-clear GPPS construction and curved arch design provide a durable build with an attractive panoramic view. A built-in hydroponic plant tray adds greenery and helps create a more decorative aquatic setup.