Adjustable aquarium heater, 100W mini aquarium heater with LED indicator, suitable for aquariums with a constant temperature of less than 3.5 cm - LIAIKI

Safety Guarantee: The explosion-proof quartz glass casing is double-sealed, explosion-proof, and corrosion-resistant. Prevent your fish or turtle from being injured by touching the heater. Low Water Level Usable: The aquarium heater can be used with a 3.5 cm water heater, designed for fish and turtles. EXTERNAL CONTROLLER & BUILT-IN THERMOMETER: The external touch controller makes it easy to adjust the temperature and change units without getting your hands wet. The LED digital display clearly and accurately shows the real-time water temperature. Overheat Protection: It automatically shuts off in case of overheating, and the aquarium heater is equipped with a multifunctional, intelligent constant-temperature heater, providing a safer and more comfortable environment for your fish. NOTE: The aquarium heater must be completely submerged in water. Never leave it in the water. The heating element must be completely submerged in water to turn on.