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.

The upgrade is increased to 2 temperature probes, the detection is more sensitive and safe, prevents the single temperature probe from being damaged and causing no heating or over temperature.

• Heating material: nickel-chromium heating wire + explosion-proof quartz glass, fast heating, variable frequency and energy-saving.
• The outer casing is made of ABS material, which and can withstand certain gravity, effectively preventing damage caused by fish, not easy to deform.

• Can be used for freshwater & saltwater tanks.
• The mini does not take up too much space and is suitable for small tanks.

• External controller, set without wet hands, simple and easy to operate.
• Every press changes the set temperature by 1℉.

Three-pin plug, prevent electric leakage and electric shock.

With 2 small suction cups on the back, removable.