Suppress harmful in water. Prevent bacterial growth and algae breeding. Keep the water clear. power switch is great for use. By ultraviolet irradiation, the of the microorganism is destroyed and its reproductive ability is lost, and most of the and algae in the water are killed, thereby restoring healthy water. Made of high quality materials, more . The tail is made of insulating material to waterproof and more secure. The multi-stage sealing ring can be used for diving. The scope of application is not only fish tanks, but also rockery fountains, fish ponds and aquaculture. Wattage:22W Lamp Length:23cm Cable Length:.210cm Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Colour:As Shown Material:Plastic Package Contents: 1 * lamp tube 1 * sucker 1 * controller 1 * power plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a