High quality heating for fresh water and sea water. Two-layer waterproof insulation, visible temperature settings, intelligent electronic chips, and the use of two sensors ensure a reliable heat output. Suitable for the size of the fish tank. The temperature gauge simplifies the temperature setting between 16 and 32 degrees Celsius with the kit available at 24 degrees Celsius. Electrical parameter Voltage: 220-240 V / 50-60 Hz.