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 (25 Watts)

Introducing the YukiHalu Small Submersible Aquarium Heater - the perfect addition to your fish tank! Keep your underwater friends cozy with the accurate temperature control that ranges from 64 to 93°F. This compact 25W heater is designed for mini fish tanks of 1-5 gallons, and is suitable for both saltwater and freshwater. Plus, our advanced Intelligent Frequency Conversion Technology will save you up to 49% on your electricity bill! With dual built-in temperature sensors and an external controller, you'll never have to wet your hands or contaminate your tank again. But remember, all purchases are final, so get yours today and keep your fishies warm and happy!【Super Mini Size, 25Watt for 1-5 Gallons】 YukiHalu 25W aquarium heater is designed for 1-5 gallons mini fish tank. Compact design, take less space in the fish tank, easy to hide in the tank. Temperature can be accurately adjusted from 64 to 93°F. This heater suitable for both saltwater and freshwater. The rated voltage is 100-130V.【Automatic Constant Temperature with 1℉Accuracy】Thanks to advanced Intelligent Frequency Conversion Technology, the water temperature can be kept constant with an accuracy of 1℉. The heater's working frequency will be changed according to temperature variation, and the heating is automatically stopped when the set temperature is reached. Compare to traditional heater, this new technology will cut down 49% electricity bill for you.【Overheating Protection, Out of Water Protection】The power will be cut off and stop heating automatically if the heater out of water or overheating. Protect your fish. Never cook your fish. 30days full refund, 12-months warranty.【External Temperature Controller, Never Wet Your Hands】Use an external controller to set the temperature instead of immersing your hands in water to rotate the dial. Never wet your hands or contaminating your tank. Strong suction cups, easy to install.【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. Automatic constant the water temperature. How it works? Out of water protection / Overheating protection. Never cook your fish Choose right heater according to aquarium Volume Size chart: Parameters: CAUTIONS