50W Aquarium Heater: This 50W aquarium heater measures 6.5 inches in length and features a 47.24 inchs power cord with CE certification, the mini size of this heater is specifically tailored for 5-10 gallon desktop aquariums, allowing it to be perfectly concealed within the tank.

Knob-Style Fish Tank Heater: This fish tank heater features a knob on its head for temperature adjustment, with a range of 65-89°F. It also includes a separate digital thermometer for real-time monitoring of the aquarium water temperature.

Set It and Forget It: Before plugging it in, adjust the knob of the aquarium heater to your desired temperature, attach the aquarium heater suction cup to the aquarium wall, then plugging it in, the red light on indicates heating and the red light turning off means the water has reached the set temperature.

Safe and Durable Material: This aquarium heater is crafted from premium nickel-chromium heating wire for rapid heating. Its outer layer features a thickened glass tube, more durable, ensuring safety for both you and your aquatic pets!

Wide Application: This aquarium heater is ideal for freshwater tanks, saltwater tanks, turtle tanks, and betta tanks. Remember to unplug the power cord before water changes. Do not touch the glass tube with your hands. Remove it and allow it to cool for 15 minutes. We offer a 12-month replacement.