hygger Aquarium Heater 500W Fish Tank Heater with LED Controller, Multiple Safety Protections, Anti-Cooking Fish Alarm, Auto Stop Heating Protection, for 66-135 Gallon Freshwater Saltwater Tank

hygger Aquarium Heater 500W Fish Tank Heater with LED Controller, Multiple Safety Protections, Anti-Cooking Fish Alarm, Auto Stop Heating Protection, for 66-135 Gallon Freshwater Saltwater Tank

• 500Watt Aquarium Heater For 66-135 Gallons Freshwater Saltwater Tank: Thickened detachable ABS guard, easy to clean and maintain. Come with external LED digital display controller, temp range: 59-94℉, temp accuracy: ±1℉/℃, Volt./Freq.: AC110-120V/60Hz, power cord: 5.9ft+4.9ft, heater rod dimension: 9.1"×3.0"×1.4"
• Multi-protection Design, More Safer More Reliable: ①Dual temperature control chip and temperature probe, for more accurate temperature control and heating; ②Alarm; ③Anti-cooking fish system; ④Anti-dry burning, out of water protection; ⑤Low-temperature protection; ⑥Memory function; ⑦ABS thickened guard. We offer 24-months-warranty, if there is any problem with our products please feel free to contact us
• Anti-cooking Fish System: When the water temperature is higher than 95℉, the fish tank heater will stop heating and the controller will display "HH" and "Beeping" alarm, effectively protect the fish from being cooked. Solution: Can add some water for cooling. When water temp below 94℉，the aquarium heater will restart heating
• Auto Off When Out Of Water: Submersible aquarium heater is equipped with an off-water sensor, when the aquarium heater out of water surface 5 cm, the fish tank heater will auto stop heating and the controller will display "L1" and "Beeping" alarm. Solution: Please fully immerse the aquarium heater in water
• Fast Stable Heating: Aquarium heater consists of two heating rods, which are made of explosion-proof quartz and high temperature resistant nickel-chrome wire, which can heat up quickly and stably and more efficiently. When the temperature is 1℉ below the set temperature, the aquarium heater will auto start heating