- Temperature Memory Function : Retains your temperature settings until manually turned off. Featuring a dual integrated temperature sensor design, the aquarium heater provides real-time water temperature readings on the external controller. - Overheat Protection : Safeguards your fish and aquatic animals. This submersible heater is easy to install and operate. In the event of overheating, it automatically shuts off to prevent damage. - LED Digital Display : Equipped with a digital LED display, this 100W aquarium heater clearly shows the current water temperature. You can easily set the temperature with precision between 100°F and 200°F. - Versatile Applications : The compact digital display is heat-resistant and durable, effectively protecting fish from burns. It is suitable for aquariums, mini tanks, turtle habitats, pet water fountains, and more. Use Scenarios : 1. Aquarium Setup : Ideal for maintaining a stable environment in fresh or saltwater aquariums. 2. Turtle Tanks : Ensures your turtles are in the optimal temperature range for a healthy habitat. 3. Pet Water Bowls : Keeps drinking water warm during colder months, providing comfort for pets. With its reliable functionality, user-friendly features, and multi-purpose use, this aquarium heater is designed to meet the diverse needs of aquarium enthusiasts. Enjoy peace of mind knowing your aquatic environment is well-protected and efficiently managed.