With its UV sterilization feature, this product can effectively keep your aquarium clean and bright. It is very easy to use and gives great results. Feature: Efficient energy saving, easy to use with high efficiency, has a long service life. Strong aquarium water cleaning ability, stable light brightness, necessity for aquarium. Water purification, disease prevention, deodorization and algae removal. Extremely efficient and time-saving, which can provide a clean living environment for your fish. Made of high quality glass material, durable, sturdy and easy to operate. Specification: Item Type: UV Light for Aquarium Material: glass Color: as shown in the picture Usage: Water cleaning Voltage: EU plug 220 V List of packages: 1 * UV sterilizer lamp for aquarium; 2 * suction cups Suggestion of use: Choose the right lamp depending on the size of the aquarium and filter tank. 3-4 times a week, do not use more than 2 hours a day; please according to the actual situation. To notice: 1. The sterilizer should be placed in a tank with a filter, it can not be placed directly in the aquarium. 2. The product is intended for underwater use. 3. During use, disconnect the power supply and immediately stop using if the lamp gets into the water. 4. Ultraviolet radiation will cause direct damage to human skin and eyes, please do not expose to action.