hygger Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off, Fish Heater with Digital Controller for Freshwater and Saltwater

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400W application 40~80Gallon Control range 59~90℉

600W application 66-135Gallon Control range59~90℉

800W application 80~220Gallon Control range59~90℉

1000W application 130~260Gallon Control range59~90

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About the product

Details

Brand	hygger
Contains Batteries Or Cells?	None
Dangerous Goods Or Hazardous Materials	No
Batteries Included	No
Warranty Type	Manufacturer Warranty

Description

Tired of wet hands adjusting your aquarium heater?Try this external digital controller! One-touch settings, completely dry operation, and even easy unit switching!Smart Dual Control & Precision Sensing· External controller displays real-time water temp, set temperature, and heating status· Wide range: 59-93°F / 15-34°C with ±0.1°C accuracy· Hold the button for 2 seconds to switch between ℉ and ℃ effortlesslyTriple Safety & Peace of MindSmart chip auto starts/stops heatingReal-time alerts for errors (HH Overheat / LL Low Temp / L1 Dry Burn)Explosion-proof quartz glass & ABS protective casingPower-Off Memory & Saves EnergyPower outage during vacation? Don't worry!Automatically resumes previous settings after power is restored—no manual reset neededNickel-chromium heating element with thickened quartz tube heats up fast and can save up to 30% on electricity!Compatibility Guide Use this formula: Tank Length × Height × Width ÷ 1000 × 2 = Required Wattage400W for 40–80 gallon aquariums Control range 59~90℉600w for 66-135 Gallon aquariums Control range 59~90℉800W for 80-220 Gallon aquariums Control range 59~90℉1000W for 130 to 260 Gallons aquariums Control range 59~90℉ Perfect for home tanks, fish markets, aquariums, ponds, and more!Order now and enjoy a 12-month warranty! Give your fish a stable, cozy home. hygger Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off, Fish Heater with Digital Controller for Freshwater and Saltwater

Overheating protectionWhen the water temperature exceeds 94 degrees Fahrenheit or 34 degrees Celsius, the dual temperature probes built into the heating rod will immediately sense the current temperature and automatically stop heating to prevent the fish from cooking. At this time, the controller simultaneously displays the error code "HH" and flashes "Hi" to remind the owner. Protect your aquatic pets.Low temperature protectionWhen the temperature probe detects that the water temperature is lower than 59°F or 15°C, the heater will automatically heat, and the controller will sound an audible alarm reminder, while displaying "LL" and flashing "Low" error codes until the water temperature exceeds 59 °F.Anti-dry operation functionWhen the heater temperature sensor detects water shortage, the heater will automatically stop heating to avoid dry burning. At the same time, the controller will sound an audible alarm, the current temperature position will display "L1" error code, and "Auto Off" will flash. Avoid fire. hygger Aquarium Heater, Submersible Fish Tank Heater with Over-Temperature Protection and Automatic Power-Off, Fish Heater with Digital Controller for Freshwater and Saltwater