Features: This aquarium LED light features adjustable lighting with USB powered convenience, creating bright underwater environments while optimizing fish comfort through customizable brightness settings. Its clamps securely attaches to tanks edges (up to 1.2" thick) using durability housing, offering energies efficient illuminations and 360 degrees angles adjustment for precise light positioning. Perfect for novice aquarists and dwellers with limited space, it simplifies aquariums maintenance in compact 1 10 gallon tanks or decorative desktop displays. Enhances home aquariums, office fishbowls, or bedroom tanks with quiet operations, automatically adapting brightness to light for ecosystem support. The waterproofed ensures safe underwater use, while its flicker without lighting mimics natural daylights cycles to promote plant growth and fish wellbeing. Specifications: Color:Four Choices Dimension:23.5cm/9.25in 21.5cm/8.46in Component:PVC Package Includes: 1pc Aquariums Light Powered Clip note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.