This product has ultraviolet sterilization function, which can keep the aquarium clean, efficient and beautiful. functionality: High quality filament with high performance and energy savings. Explosion-proof UV tube is used, with high ultraviolet transmittance. The position of the powerful suction cup can be adjusted freely. Waterproof design for drinking water, can be used completely submerged in water. The independent switch is ideal for safe use. It is suitable for controlling malignant bacteria in aquariums and aquariums. Features: Power: 13W Voltage: EU: 220-240V Body material: UV Product size (depth * length): 19 * 245mm Product weight: 189g Package size (length * width * height) 29.5 * 8 * 4cm Notes: 1. The sterilizer should be placed in the filter tank, not directly in the aquarium. 2. During use, if water gets into the lamp, immediately turn off the power and stop using it. 3. Ultraviolet rays can cause direct damage to human skin and eyes, please do not expose it for use. Suggested use: Please choose the right light according to the size of your aquarium and water tank filter. 3 to 4 times per week, do not use more than 2 hours per day; please follow the actual situation.Products from NIUNIU's store