Safe and durable construction – The hygger submersible aquarium heater consists of shatterproof quartz tubes wrapped around two heating elements, mica plates and nickel wire, and an outer shell made of impact-resistant plastic. It protects pets while maintaining the right temperature.
Temperature display - the heating rod displays the water temperature and indicator light in real time. It is red when heated and green when it reaches the appropriate temperature.
External Knob Controller Memory Function - Allows you to quickly set the temperature without getting your hands wet, especially in winter, with adjustable wide temperature range of 15°C to 34°C in 1°C increments. Remembers the last setting when you unplugged and changed the water.
Outlet water shut-off protection – ensuring it does not overheat and cause damage to livestock. Shut down before the temperature exceeds the desired temperature. Shatterproof plastic guard protects fish/turtles from impact and contact, easy to remove and clean
Ideal for small, shallow tanks - the ultra-thin flat mini tank heater measures 4.3'' x 1.8'' x 0.9'', saving quiet space and easy to hide behind filters/wood/rocks, mounted with Two powerful suckers. Due to its flat design, it can be placed vertically or horizontally on a gravel-free aquarium bottom to heat a turtle tank with low water levels.