Features: This mini LED clip-on light for fish tanks is a must-have for any aquarium enthusiasts! Compact-, lightweight and high brightness-. Constant current source- power supply, stable performance. The hose- is adjustable in multiple directions. With its USB plug-in- design and low 5W power consumption, this mini light is both convenient and energy-efficient. Specifications: Material: Plastic+Electronics Color: White / Black DiameterS: Approx.5.5cm/2.17inch DiameterL: Approx.6.5cm/2.56inch Cable Length: Approx. 4.27ft. Package Includes: 1x LED Light for Aquarium note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.