Mini Submersible Aquarium Heater, 25/50/100/150/200/300 Watts Adjustable Fish Tank Heater, Built-in Thermometer, External Temperature Controller, Smart Memory (10 Watts(USB))

About this item

• Automatic Constant Temperature: aquarium heater is specially designed for mini fish tank for gallon, the heating will be automatically stopped when the set temperature is reached
• External Temperature Controller: Set the temperature via an external controller instead of submerging the hands in water and turning the dial
• Easy to Install: Thanks to the ultra-compact heater with powerful suction cup, it can be easily installed anywhere in the tank
• Easy to Read: The water temperature will be displayed on the external controller in real time, no need another aquarium thermometer
• Overheating Protection: Prevent cooking fish as overheating protection, stop heating automatically when overheating or lack of water