Feature: 1. Sterilization: Aquarium UV lamp has global sterilization mode and tank direct use mode, can be switched at will, global lighting mode can be used for a variety of filtration systems, effectively undermine the virus DNA structure, completely eliminate the virus. 2. Back 180 Degrees Germicidal Lighting: Aquarium clean lamp has back 180degrees germicidal lighting, the front is closed without light transmission, can be used directly in the tank. 3. With Intelligent Timer: Aquarium UV lamp with intelligent timer, press the button to control the light, you can choose your own sterilization time, making the cleaning process easier. 4. High Transmittance Quartz Tube: Aquarium clean light has a high transmittance quartz tube inside, low light decay, high utilization, to achieve a strong germicidal effect. 5. Detachable: Aquarium clean lamp is detachable and can be put into the fish tank with light transmission on the back without affecting the fish life. If put into the bottom filtration or side filtration system you can remove the left and right wings to enlarge the sterilization function. Specification: Item Type: Aquarium UV Lamp Material: ABS Use: Fish Tank Timing Removable UV Backlight Sterilization Lamp Product Power: 9W . Package List: 1 x Aquarium UV Lamp 2 x Suction Cups1 x Instruction Manual