ＭagTool Aquarium Heater, 100W-1200W Submersible Fish Tank Heater for 40-55-75-94 Gallon Tank with Over-Temperature Protection & Automatic Power-Off with Digital Controller for Freshwater & Saltwater

【Efficient and Stable Heating Element】Employing the most stable nickel-chromium heating wire, our heating element ensures rapid and consistent heat transfer. This feature not only accelerates water heating but also guarantees a stable and enduring warmth, aquarium heater providing a comfortable and secure environment for aquatic life.

【Precision Adjustable, Multiple Safety Measures】ＭagTool aquarium heater offers a wide temperature adjustment range, from 59°F to 93°F, with a built-in high-precision temperature sensor that intelligently stops heating once the set temperature is reached. This prevents overheating and eliminates the risk of "cooking" the fish. The water-off protection feature further enhances safety.

【External Controller, LED Display, Power Failure Memory】The controller is designed for convenience, featuring an LED display that shows real-time temperature and supports both Celsius and Fahrenheit temperature formats. The power failure memory function ensures that the last settings are retained, eliminating the need for reconfiguration during water changes.

【Robust Protective Design, Versatile Applications】ＭagTool aquarium heater crafted with thickened high-temperature-resistant quartz glass and explosion-proof quartz sand, effectively sealing against water infiltration. The external heater cover is made of high-quality PC plastic, safeguarding fish from burns. Suitable for various aquariums, including saltwater tanks, freshwater tanks, and planted tanks, catering to both commercial and personal users.

【Quality Assurance and Easy Installation】Dimensions of 11x2.4x1 inches, 300 watts suitable for fish tank 150-360L(40-90gal) tanks. Comes with a 12-month quality guarantee and includes three suction cups, a controller bracket, and a hook, providing users with multiple installation options for flexible and secure usage in different environments.