6 COLOR AND SUPER BRIGHT - Our led aquarium light has 6 colors, white, blue, green, red, purple and orange, it will change color automatically. In addition this small aquarium light is super bright, can really make your fish tank, plant tank or turtle tank looks amazing and lightened.WATERPROOF AND WITH SUCKER - This Submersible aquarium light is IP68 level waterproof, can be used fully submersible into water or outside water. Comes with sucker, easy and convenient to stick to anywhere you want to decorate your aquarium.GOOD FOR SMALL SIZE AQUARIUM - Diameter is 1.7 inch, height: 2.3 inch, length of cable: 55 inch. Space saving, good for tanks up to 20 gallon, but if your tank is bigger, you could put 2 or 3 into it, it will look cool in that way too.ADJUSTABLE ANGLE - The angle of this mini fish tank light can be adjusted according to your tank, good for both round aquarium and long aquarium, jellyfish or glofish fish bowl or live plant aquarium.USB Plug - The charger could be divide into a usb and a plug, you could just use USB to connect the power. USB aquarium light is more convenient.