“Create a clean environment for your fishes! This type of flexible and portable UV sterilizer aquarium lamp is good to use and easy to install. What are you waiting for? Come and buy. Features: High brightness, energy saving, endurable and cost saving.Control harmful bacteria in water to prevent bacterial breeding and algae breeding to protect fish health and keep water clean.Diameter is only 0.7 inch, thus free up more viewing space, mini size and light weight, easy to carry Strong suction helps to fix firmly in the fish tank, easy to assemble and repair IP68 waterproof design, can be fully submerged in water .Be excellent for aquarium, swimming pool and other similar occasions Specifications: Types: Type 1 (5w) / Type 2 (7w) / Type 3 (11w) (optional) Plug: 2 types (optional) Input voltage: AC 110 -220V Wavelength: 253.7nm Beam angle: 3 60 degree Waterproof rate: IP68 Suitable water quality: seawater and freshwater Cable length: 1340mm Material: Quartz & glass Notes: 1. This product