Fluval Submersible Fish tank heater

These submersible heaters can be used in fresh or saltwater tanks. They all feature a exclusive reflective technology that maintains the natural look of your aquarium. Available in a wide variety of sizes to fit most tanks. See more details in photos 3-4. I cannot find the wattage. Based on the recommendation for fish tank sizes I'm going to assume this is 100W but might be 200W. Adjustable dial let's you control the temperature settings. Removed from packaging but never used. Has been tested and is working. Perfect for everyday use. supreme materials and excellent craftsmanship ensure long-lasting durability.