Bright White Light - 9 SMD LED bulbs bring your fishes daylight and a pure brightness of underwater life. 2.Water Proof - IP68 aquarium light is installed not only on the water but also under the water. DIY design presents a diverse fish tank visual experience. Super Suck - The upgraded version of the high-density rubber suction cup secures the aquarium light to the inside. 4.Safe Design - Manual switch is on the 3.9ft cord.And the explosion protection acrylic glass give a more clear and safe light for your aquariums. Fits 20 Gallon Tank - the 7.5 inch length lights fitting aquariums widths of 7.7-15 inches.