•For middle or big aquarium tank
•Waterproof
•Super to keep cleaning for water - Super UV Sterilization
•Remove Algae + Deodorize
•If you order extra timer, you can set the timer (3/6/12/24 hours for UV works) as you need
•UV Lighting Barrier Cover to stop ultraviolet radiation hurt the fishes
•8000hours lifespan for UV Light
•The best working time for normal tank is 2-3hours per day (Please work with more hours to solve heavy green dirty water tank )