YukiHalu Small Submersible Aquarium Heater, Adjustable Mini Fish Tank Heater 25W 50W 100W 200W 300W with External Temperature Controller, LED Display, Used for 5/10/20/40/60 Gallons (300 Watts)

About this item 【300Watt for 30-60 gallons】YukiHalu 300W aquarium heater is designed for 30-60 gallons fish tank. Temperature can be accurately adjusted from 64 to 93°F. This heater works well in both saltwater and freshwater. Rated voltage 100-130V. 【Compact size】only 23cm/9 inches for 300W heater. Fits mini fish tank, it takes up less space and easy to hide in the tank. Easy to install 【Automatic thermostat at 1°F accuracy】The heater’s working frequency will be changed according to temperature variation based on Intelligent Frequency Conversion Technology, and the heating is automatically stopped when the set temperature is reached. 【Overheating and lack of water protection】Stop heating automatically if the fish tank lack of water or overheating. Never cook your fish. 【Built-in Temperature Sensor, Power-off Memory Function】Dual built-in temperature sensor, the water temperature will be displayed on the external temperature controller in real time. No need to buy other aquarium temperature meter. The heater will remember the temperature setting, no need to reset the temperature after power off.