This compact fish tank light is designed to provide optimal illumination for small aquariums. Featuring LED technology, it ensures bright and energy-efficient lighting, enhancing the beauty of your aquatic plants and fish. Features -Color:Assorted Color -Material:Plastic -Size:18.00X4.00X2.00cm/7.07X1.57X0.79in -Recommended fish tank wall thickness: within 2-5mm - Cable length: 1-meter - Diameter of the lamp disc: 4.2 cm - Lighting beads color: white /red /green /blue -Compact: crafted for small fish tanks, this mini led light adds a stylish touch to your desktop aquarium -USB powered aquarium light : easily connect to various power sources, ensuring consistent lighting for your aquatic plants anytime and anywhere -Effective plant growth: provides optimal supplemental lighting to promote healthy growth of aquatic plants -LED illumination: this fish tank light provides bright yet gentle illumination, ensuring a vibrant and healthy environment for your pet fish -Spacesaving solution: its mini size ensures it fits seamlessly into small aquariums, making it ideal for diverse home or office setups Package list: 4 x aquarium lamps