Mini Submersible Aquarium Heater,200 Watts Adjustable Fish Tank Heater, Built-in Thermometer, External Temperature Controller, Smart Memory, Used for 1-60 Gallons (200 Watts)
Automatic Constant Temperature: 200W aquarium heater is specially designed for mini fish tank for 20-40 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
