H2Pro has developed a high quality Titanium Heater that comes in various sizes. The H2Pro Titanium Heater comes in variations of 50W, 100W, 200W, 300W, 500W, 800W, and 1000W—please check the correct model before ordering! The H2Pro Titanium Heater also come with a controller that has 2 LED displays showing the current temperature of the tank and the temperature the user wants to set it to. The controller is super simple to use—do not get it wet! Users can choose between Celsius and Fahrenheit.