This UV Submersible Light fish tank bar brings the light to the inside of your aquarium. The in-frame mounting allows you to see the light without seeing the fixture. The LED Strip Lights provide the ultimate opportunity to create a realistic underwater home-aquarium environment. Features - Material: Quartz glass. - Color: As shown. - Size: 22.3 x 3 x 3 cm. - UV lamp with strong effect of sterilization, ultraviolet ray transmitting rate of more than 95%. - Easy to fix with strong suckers, firm and reliable. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand