hygger Aquarium Heater,75W/150W/300W Submersible Fish Tank Water Heater Double Quartz Explosion-Proof with for Freshwater Saltwater Tank

hygger Aquarium Heater can fully convert electric energy into heat energy, saving energy and safety.The red and green indicators show the working status.Two-digit digital display, easy to grasp the temperature value.Over-temperature protection system, when the temperature in the tank is over 93 °F will stop heating, to avoid fish from boiling fish due to high temperature.High temperature warning: the water temp exceeds about 95 °F, flashing 95 number code, red and green light flash together.Heater temperature ranges from 59℉(15℃) to a max of 93℉(34℃).After the water evaporates, the heater is exposed to the water surface, it will automatically cut off the electricity.

Displays ER error codes to draw your attention.Fully submersible: Please note, the heater should be fully submerged in water to work properly.