Power source: 220-240V, 50Hz. Power: 300W. Fully submersible aquarium heater, for 50-300W aquarium. Scale temperature: this analog and compact aquarium heater can be set for temperatures between 20°C and 34°C. Keep a constant temperature for your aquatic animals. Calculation formula: (water height x aquarium width x aquarium length) / 1000 x 2 = power needed.
