1. High quality filament for high performance and energy-saving.2. Adopt explosion proof quartz glass tube for high transmission of ultraviolet ray.3. Powerful suction cups for adjusting position freely.4. Safe water-proof design for totally submersible use.5. Independent power switch is great for safer use.6. Suitable for controlling malignant bacteria in aquarium and fish tank.Specifications:Wattage: 5W/7W/9W/13W(Optional)Plug Type: USVoltage: US: AC110-120VBody Material: Quartz GlassCable Length: Approx. 145cm/57inchSize(D*L):5W/7W: 19mm x 185mm/0.74inch x 7.28inch9W: 19mm x 220mm/0.8inch x 8.66inch13W: 19mm x 240mm/0.8inch x 9.45inchNOTE:1. The germicidal lamp can only be used in the filter tank and cannot be used directly in the fish tank.2. In use process, please cut off the power supply and stop using immediately if the lamp enters water.3. The ultraviolet radiation will cause direct harm to human skin and eyes, please don't expose to use.Usage Suggestion:1. Please choose the suitable lamp according to the size of your fish tank and filter-tank.2. 3-4 times for a week, do not use it exceeds 2 hours per day; please according to the actual situation.Package including：1 x Aquarium UV Sterilizer Lamp2 x Suction Cups 13W Aquarium Submersible UV Light Sterilizer Pond Fish Tank Germicidal Clean Lamp
