AquaticLife 0.5W LED Light Fixtures broadcast Reflectors ™ with a “dimple” design diffuse LED light evenly throughout the aquarium. Expandable design allows up to four fixtures to be linked together with included hardware. When fixtures are linked together, multiple cords are concealed by specially designed covers for aesthetic appeal. Adjustable width Frame Mounts hold fixture securely above the aquarium. Durable on/off rocker switch for convenient lighting control. cUL approved low-voltage power adapter provides metered electric to ensure long life of LED’s. Optional suspension hardware provide multiple installation options.