FUMAK Super Mini Aquarium Heater USB 10W Alumina Ceramic Betta Heater Adjustable Submersible Fish Heater Small Fish Tank Heater Turtle Heater with Digital Display Thermostat, for 0-1 Gallon Tanks

SUPER MINI SIZE – This aquarium heater is incredibly small. It is perfect for nano tanks and betta tanks, taking up minimal space. The innovative super mini size solves the common problem faced by fish keepers with traditional heaters. Despite its compact size, it delivers full power and efficiency.

ALUMINA CERAMIC - Crafted from high-quality alumina ceramic, this betta heater delivers unmatched durability, exceptional mechanical strength, and superior heat and chemical stability. Its advanced electrical insulation and rapid heat conduction ensure efficient heating while saving 20-30% energy, creating a stable and energy-efficient habitat for your fish!

ACCURATE TEMPERATURE – The intelligent inverter technology and built-in chips ensure precise temperature control. This thermostat maintains a constant temperature with an accuracy of 1°F, surpassing the traditional knob-controlled heaters. The thermostat displays two readings: the current temperature and the set temperature, making it easy to operate and monitor.

OVERHEATING PROTECTION – Safety is a top priority. This mini fish tank heater automatically shuts off when the water temperature exceeds 97°F. You can rest assured that your fish will be safe from overheating.

MEMORY FUNCTION – The thermostat conveniently stores the last temperature setting. In the event of a power outage, the mini fish heater will resume its previous setting once power is restored, eliminating the need for manual adjustment.

MULTIPLE USES – This mini aquarium heater is suitable for both freshwater and marine water tanks. It can be used not only as an fish heater but also for other purposes such as turtle tanks, pet fountains, and plant seedlings. It offers flexibility and functionality beyond traditional aquarium heating.