HiTauing 300W/500W Submersible Aquarium Heater For 50-130 Gallon - Upgraded Double Quartz Tubes Fish Tank Heater With HD Temperature Digital Display - Suitable For Freshwater And Saltwater

CAUTIONS The device must be used under rated voltage 100-130V. The heater must be fully submersed into the water. Place the heater in the way of water flow and don't bury it. When there is moss or other dirty on the heater surface and the LED screen, it needs to be cleaned up with soft brush in time. Professional Aquarium Heaters from YUKIHALU Easy to install the controller External controllers are easy to hang Set the temperature and change unit between Fahrenheit and Celsius 【Automatic maintain a consistent temperature】Built-in thermostat to help maintain a consistent temperature in the tank. 500W aquarium heater is suitable for 75-120 gallons aquarium tank. 【Precise control as PID strategy】Thanks to the intelligent inverter technology- PID control strategy, the water temperature in aquarium can be controlled to fluctuate within 1 °F above and below the set value. 【Protective case and multi-protections】It comes with a protective case to keep your aquatic pet and you from getting burned. Protect the aquatic pet, and never cook your fish. 【Easy to adjust the temperature from outside】The temperature can be easily adjusted externally by pressing the SET button on the right side of the external controller. Press and hold the setting button to switch between Celsius and Fahrenheit. Intelligent indicator shows heating status. RED is heating, GREEN is consistent. Easy to readout. The heater has a memory function and will remember the temperature setting.