Key Features

1. Slim mini heater(4.6″x2.7″x0.9″), space-saving, mounts vertically/horizontally for turtle tanks.
2. Made of durable quartz glass & nickel tungsten wire, the plastic shell isolates heat, prevents scalding, easy to clean.
3. Upgraded chip, sensitive temp sensing, accurate temp rise ±1℉. External temp adjuster (59-93°F). Auto heating & temperature maintenance.
4. Safe fish tank heater. Stops working if the water level is too low or the temperature exceeds 93℉. Error codes: Er (out of water), HH (overheating).
5. LED display shows real-time & set temp. Red light=heating, green=ready. The error code is shown on failure. Remembers settings after powering off.

Suitable for Small Shallow Tank

The hygger 097 small heater, with dimensions of 4.3 inches by 1.9 inches by 0.9 inches, is designed to save space in your aquarium. Equipped with two robust suction cups, it can be securely positioned vertically or horizontally on gravel-free aquarium bottoms, making it ideal for heating low-water-level turtle tanks.

Built-in Temperature Sensor, with 1°F Accuracy

It is equipped with an advanced chip, and the built-in temperature sensor offers heightened sensitivity and accuracy, with the ability to detect temperature changes as precise as 1°F. The external temperature adjustment button allows for settings ranging from 59°F to 93°F. Once the desired temperature is set, the heater will automatically maintain a constant water temperature.

Overheating Protection

Incorporating comprehensive safety measures, the heater is equipped with automatic out-of-water protection. It displays an ‘Er’ error code when it is not submerged in water and an ‘HH’ code when it detects overheating.

Out of Water Protection

The heater is designed with automatic out-of-water protection. If the heater is out of water, it will display an ‘Er’ error code. Similarly, if the heater overheats, it will show ‘HH’ to alert you to the situation.

LED Temperature Display

The digital LED temperature display provides a clear view of real-time and set temperatures on-screen. The indicator light turns red to signal that the heater is actively heating and green when the desired temperature is achieved. In the event of a malfunction, the display will show an error code.

Power-off Memory Function

The hygger small aquarium heater will remember the temperature setting; there is no need to reset the temperature after powering off. It will reheat automatically.

Reliable Construction

The compact heater boasts reliable construction and is crafted from tough, heat-resistant, shatterproof quartz glass and reinforced with a sturdy nickel-tungsten wire. The high-quality plastic casing provides effective insulation to prevent overheating and safeguards against scalding fish and pets. Additionally, the design allows for easy disassembly and cleaning, ensuring hassle-free maintenance.