1、Comes with 2 suction cup brackets, the light can be fixed in the fish tank for easy installation. 2、UV light helps to clean the water and remove the bacteria in fish tank,swimming pool, pond, etc. 3、Easy to operate‑ Press the button to control the light, making the whole cleaning process more simple than ever. 4、Made from premium material for long lifespan. 5、Highly improve the speed and strength of regular sterilization and offer better water condition. Features: UV light helps to clean the water and remove the bacteria in fish tank,swimming pool, pond, etc. Comes with 2 suction cup brackets, the light can be fixed in the fish tank for easy installation. Easy to operate- Press the button to control the light, making the whole cleaning process more simple than ever. Made from premium material for long lifespan. Highly improve the speed and strength of regular sterilization and offer better water condition. Specification: Condition: Brand new Material: Plastic + Glass Power Length Tube Diameter  5W 18cm/7.09in 2cm/0.79in 7W 26cm/10.24in 2cm/0.79in 9W 26cm/10.24in 2cm/0.79in 11W 33cm/13in 2cm/0.79in Voltage: 220V Color: As shows in pictures Package List: 1* UV Light 2* Suction Cup Bracket Notice: 1. This product can emit ultraviolet light, please do not directly observe it through naked eye. 2. The UV light can only be used in the filter tank, and it is forbidden to directly irradiate creature. 3. Please allow slight error due to manual measurement and make sure you do not mind before ordering. 4. Please understand that colors may exist chromatic aberration as the different placement of pictures.