hygger HG-011 Smart Variable Frequency Titanium Heater User Manual
Learn how to use the HG-011 Smart Variable Frequency Titanium Heater with this user manual. This fully submersible, energy-saving, and safe heater is perfect for aquariums. With its dual relay design, digital temperature display, and variable frequency function, you can easily regulate the temperature of your freshwater aquarium. Don't forget to check out the product parameters for more information.