Hygger Fully Submersible Aquarium Heater for 80-190 Gallon Tanks

External Digital Display Controller: Easily Monitor Temperature with LED Digital Screen - Simultaneously display the set temperature and the current aquarium temperature - Real-time monitoring to ensure optimal conditions for your fish

Double Tubes Heating Element: Shatterproof and Reliable Heating Solution - High-quality shatterproof quartz glass tubes and nickel-chromium heating wire - Fast, steady, and evenly distributed heat for better water temperature control - PC plastic guard to prevent burns for safety

Running Dry Shut Off Protection: Automatic Safety with Reversibility - Completley submersible design to prevent overheating - E1 error code displayed when heater is exposed to air - Automatically resumes operation once back in water

Overheating Protection: Peace of Mind with Automatic Shut Off - HH error code displayed when water temperature reaches 95°F - Automatic shut off to prevent overheating - Temperature resets once the water cools down to the set point

Accurate Temperature Control: Precision and Dependability - ±1°F accuracy ensures consistent water temperature - Ideal for maintaining a healthy environment for both freshwater and saltwater fish

Versatile Compatibility: Suitable for Various Aquarium Sizes - 800 watts for heating 80-190 gallon aquariums - Includes two suction cups for easy vertical or horizontal installation underwater, up to 5 inches deep

Easy Installation: Quick and Secure Setup - Designed for easy, secure installation vertically or horizontally - Ideal for both freshwater and saltwater tanks