YukiHalu Aquarium Heater 50/100/200/300/500W with Protective Case, Fish Tank Heater, Temperature Adjustable, External Temperature Controller, LED Display, Used for 10/20/40/75/120 Gallons (500W)

Automatic Consistent Temperature: The built-in thermostat helps maintain a consistent water temperature in the tank. This series of aquarium heaters is suitable for tanks ranging from 10 to 120 gallons. The heating will be automatically stopped when the set temperature is reached. Compatible with saltwater and freshwater

Precise Water Temperature: Thanks to the intelligent inverter technology- PID control strategy, water temperature can be precisely regulated to fluctuate within ±1°F of the set point, delivering more stable water temperature performance.

Protective Case and Multi-Protections: It comes with a protective cover to prevent both your aquatic pets and you from getting scalded. Make the heater shatter-proof, shock and vibration resistant. Automatic shut-off when the water level gets to low or overheating. 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.

Display Both Current and Setting Temperature: Simultaneous display of set temperature and current temperature. 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. No need to reset the temperature after power lost.