Featuring powerful ultraviolet light technology, this sterilizer and purifier eliminates algae, bacteria, and other harmful microorganisms in your fish tank or water container, ensuring crystal-clear water and a healthy environment for your fish and plants. With its compact and portable design, our sterilizer and purifier is also a great choice for outdoor activities such as camping and diving. Simply turn it on and let it work its magic, and you'll have clean and safe water in no time. Powerful UV technology for efficient sterilization and algae control. Compact and portable design for easy use and storage. Safe and eco-friendly, with no chemicals or additives required. Suitable for fish tanks, water containers. Easy to install and operate. Color: Black Switch: 1: Timing switch, 2: Separate switch Specifications: 1: Power: 7W Lamp size: 190mm Tube diameter: 22mm Power cord length: 1.4m 2Power9W Luminaire size225mm Tube diameter: 22mm Power cord length1.4m 3Power13W Lamp size245mm Tube diameter: 22mm Power cord length: 1.4m Package includes: 1pc * fish tank sterilization lamp