Yani : Make Your Tank AmazingDescription :50W/100W/200W/300W/500W Submersible Aquarium Heater Aquarium Fish Tank Temperature ThermostatKeeps the water temperature steady. Its design is anti-rust, useful and durable.Made of shock resistant and shatter proof quartz for fresh or marine waterSuitable for fresh water, seawater AquaruimsSafey control protects against running dryEasy to use Heater Dial to control Precise Temperature levelsSpecification :Brand : YaniModel : Yani AQ-H1Material : 304 Stainless SteelColor : As picture showedWatt: 50W, 100W, 200W, 300W, 500WPackage Includes :1 x Yani Submersible Aquarium HeaterDetails Pictures :&nbsp &nbsp &nbsp