The LED clamp on features adjustable brightness, ABS construction, and USB powered for various power sources Perfectly illuminates desktop fishtanks, shrimp habitat, or decorative water features of home, or educational environment Simple design minimizes water surfaces disturb while providing full spectrums for photosynthesises and night viewing clarities Great for fishtanks owners, fish enthusiasts, and hobbyists searching energy efficient lighting solution for small aquariums Color Changing aquariums LED Light with USB powered design customizable lighting to enhancing fishtanks plant growth and create vibrancy underwater ambiances