The Classica Aqua-Brite LED Aquarium lights can instantly improve the look of your aquarium by spotlighting plants ornaments. Mix LED colours or add colour change LEDs to create dramatic visual effects.USB powered, submersible LED spotlight - or plug attachment available! Excellent accent illumination for plants and ornaments Spotlight rotates and tilts to any position Easily fixes by sucker to aquarium base or walls Can be screw fixed to aquarium hoods Supplied with sucker mounted cable-tidy Requires single USB power supply or 4-way HUB