This portable and flexible ultraviolet sterilizer aquarium light has good ease of use and is easy to install. Features: High brightness, energy savings and cost reduction can be tolerated. Control harmful bacteria in water, prevent bacterial reproduction and algae reproduction, protect fish health and keep water clean. Free up more viewing space, compact and lightweight, and easy to carry. Strong suction helps to be firmly fixed in the aquarium, easy to assemble and fix. IP68 waterproof, can be completely submerged in water. Very suitable for aquariums, swimming pools and other similar occasions. Features: Power: 5w Input voltage: AC 220V Waterproof rating: IP68 Applicable water quality: salt water, fresh water Material: Quartz and Glass Plug: European standard Notes: 1. This product may emit ultraviolet rays. If you do not look at it directly, direct exposure will damage your eyes and skin. Please protect it. 2. The germicidal lamp cannot be used in the filter tank.