YukiHalu Aquarium Heater 25/50/100/150W with Protective Cover, Mini Fish Tank Heater with External Controller, Temperature Adjustable, Digital Display, Used for 5/10/20/30 Gallons (50W-10Gallon)

Mini Aquarium Heater: Used for aquariums ranging from 1 to 30 gallons. Different power ratings correspond to different tank sizes. Temperature can be accurately adjusted from 64 to 93°F. For both saltwater and freshwater. Rated voltage 100-130V.

Come with Protective Case: It comes with a protective cover to prevent both your aquatic pets and you from getting scalded. Shatter-proof, shock and vibration resistant.

Small Size Heater: Only 4.6 inches long for 25W/50W, 5.9 inches for 100W/150W. Compact size, minimal space requirement, easy installation, and can be easily concealed inside the water tank.

Automatic Temperature Control: The built-in thermostat achieves 1°F accuracy to maintain a constant temperature. The PID control strategy helps to keep temperature fluctuations within 1°F. When the set temperature is reached, the heating function automatically shuts off.

Easy to Adjust and Readout: The external controller with LED digital display and setting button helps us to easily read and change the temperature. The heater has a memory function and will remember the temperature setting. No need to reset the temperature after power lost. It also has an option to switch between Fahrenheit and Celsius by pressing and holding the button.

Protection: Automatic shut-off when the water level gets to low or overheating. Protect the aquatic pet, and never cook your fish.